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Finding the Fourth Proportional to 6,593.68, 9,890.52 and 3,129.04

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Solution

The fourth proportional to 6,593.68, 9,890.52 and 3,129.04 is: 4,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593.68 : 9,890.52 = 3,129.04 : x
  2. Step 2: Convert to fraction form
    6,593.68/9,890.52 = 3,129.04/x
  3. Step 3: Cross multiply
    6,593.68x = 9,890.52 × 3,129.04
  4. Step 4: Simplify right side
    6,593.68x = 30,947,832.70
  5. Step 5: Solve for x
    x = 30,947,832.70/6,593.68
  6. Step 6: Final answer
    x = 4,693.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.