Home / 6,342.20-8,753.15-3,691.07

Finding the Fourth Proportional to 6,342.20, 8,753.15 and 3,691.07

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Solution

The fourth proportional to 6,342.20, 8,753.15 and 3,691.07 is: 5,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.20 : 8,753.15 = 3,691.07 : x
  2. Step 2: Convert to fraction form
    6,342.20/8,753.15 = 3,691.07/x
  3. Step 3: Cross multiply
    6,342.20x = 8,753.15 × 3,691.07
  4. Step 4: Simplify right side
    6,342.20x = 32,308,487.66
  5. Step 5: Solve for x
    x = 32,308,487.66/6,342.20
  6. Step 6: Final answer
    x = 5,094.21

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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.