Home / 8,691.36-13,032.43-4,008.97

Finding the Fourth Proportional to 8,691.36, 13,032.43 and 4,008.97

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Solution

The fourth proportional to 8,691.36, 13,032.43 and 4,008.97 is: 6,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.36 : 13,032.43 = 4,008.97 : x
  2. Step 2: Convert to fraction form
    8,691.36/13,032.43 = 4,008.97/x
  3. Step 3: Cross multiply
    8,691.36x = 13,032.43 × 4,008.97
  4. Step 4: Simplify right side
    8,691.36x = 52,246,607.42
  5. Step 5: Solve for x
    x = 52,246,607.42/8,691.36
  6. Step 6: Final answer
    x = 6,011.32

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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.