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Finding the Fourth Proportional to 6,410.76, 8,846.84 and 3,466.76

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Solution

The fourth proportional to 6,410.76, 8,846.84 and 3,466.76 is: 4,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.76 : 8,846.84 = 3,466.76 : x
  2. Step 2: Convert to fraction form
    6,410.76/8,846.84 = 3,466.76/x
  3. Step 3: Cross multiply
    6,410.76x = 8,846.84 × 3,466.76
  4. Step 4: Simplify right side
    6,410.76x = 30,669,871.04
  5. Step 5: Solve for x
    x = 30,669,871.04/6,410.76
  6. Step 6: Final answer
    x = 4,784.12

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Find fourth proportional to 3,205.38, 4,423.42 and 1,733.38
Half scale
Find fourth proportional to 12,821.52, 17,693.68 and 6,933.52
Double scale
Find fourth proportional to 6,411.76, 8,848.22 and 3,467.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.