Home / 6,180.13-8,528.61-3,385.63

Finding the Fourth Proportional to 6,180.13, 8,528.61 and 3,385.63

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Solution

The fourth proportional to 6,180.13, 8,528.61 and 3,385.63 is: 4,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.13 : 8,528.61 = 3,385.63 : x
  2. Step 2: Convert to fraction form
    6,180.13/8,528.61 = 3,385.63/x
  3. Step 3: Cross multiply
    6,180.13x = 8,528.61 × 3,385.63
  4. Step 4: Simplify right side
    6,180.13x = 28,874,658.30
  5. Step 5: Solve for x
    x = 28,874,658.30/6,180.13
  6. Step 6: Final answer
    x = 4,672.18

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Half scale
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Double scale
Find fourth proportional to 6,181.13, 8,529.99 and 3,386.63
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.