Home / 8,691.38-13,032.36-3,066.24

Finding the Fourth Proportional to 8,691.38, 13,032.36 and 3,066.24

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Solution

The fourth proportional to 8,691.38, 13,032.36 and 3,066.24 is: 4,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.38 : 13,032.36 = 3,066.24 : x
  2. Step 2: Convert to fraction form
    8,691.38/13,032.36 = 3,066.24/x
  3. Step 3: Cross multiply
    8,691.38x = 13,032.36 × 3,066.24
  4. Step 4: Simplify right side
    8,691.38x = 39,960,343.53
  5. Step 5: Solve for x
    x = 39,960,343.53/8,691.38
  6. Step 6: Final answer
    x = 4,597.70

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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.