Home / 8,691.33-13,037.76-2,451.39

Finding the Fourth Proportional to 8,691.33, 13,037.76 and 2,451.39

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Solution

The fourth proportional to 8,691.33, 13,037.76 and 2,451.39 is: 3,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.33 : 13,037.76 = 2,451.39 : x
  2. Step 2: Convert to fraction form
    8,691.33/13,037.76 = 2,451.39/x
  3. Step 3: Cross multiply
    8,691.33x = 13,037.76 × 2,451.39
  4. Step 4: Simplify right side
    8,691.33x = 31,960,634.49
  5. Step 5: Solve for x
    x = 31,960,634.49/8,691.33
  6. Step 6: Final answer
    x = 3,677.30

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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.