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Finding the Fourth Proportional to 8,791.71, 12,132.24 and 5,252.82

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Solution

The fourth proportional to 8,791.71, 12,132.24 and 5,252.82 is: 7,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.71 : 12,132.24 = 5,252.82 : x
  2. Step 2: Convert to fraction form
    8,791.71/12,132.24 = 5,252.82/x
  3. Step 3: Cross multiply
    8,791.71x = 12,132.24 × 5,252.82
  4. Step 4: Simplify right side
    8,791.71x = 63,728,472.92
  5. Step 5: Solve for x
    x = 63,728,472.92/8,791.71
  6. Step 6: Final answer
    x = 7,248.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.