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Finding the Fourth Proportional to 6,451.84, 8,903.68 and 3,657.44

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Solution

The fourth proportional to 6,451.84, 8,903.68 and 3,657.44 is: 5,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.84 : 8,903.68 = 3,657.44 : x
  2. Step 2: Convert to fraction form
    6,451.84/8,903.68 = 3,657.44/x
  3. Step 3: Cross multiply
    6,451.84x = 8,903.68 × 3,657.44
  4. Step 4: Simplify right side
    6,451.84x = 32,564,675.38
  5. Step 5: Solve for x
    x = 32,564,675.38/6,451.84
  6. Step 6: Final answer
    x = 5,047.35

Related Problems

Find fourth proportional to 3,225.92, 4,451.84 and 1,828.72
Half scale
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Double scale
Find fourth proportional to 6,452.84, 8,905.06 and 3,658.44
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.