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Finding the Fourth Proportional to 7,809.52, 11,687.82 and 4,517.68

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Solution

The fourth proportional to 7,809.52, 11,687.82 and 4,517.68 is: 6,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.52 : 11,687.82 = 4,517.68 : x
  2. Step 2: Convert to fraction form
    7,809.52/11,687.82 = 4,517.68/x
  3. Step 3: Cross multiply
    7,809.52x = 11,687.82 × 4,517.68
  4. Step 4: Simplify right side
    7,809.52x = 52,801,830.66
  5. Step 5: Solve for x
    x = 52,801,830.66/7,809.52
  6. Step 6: Final answer
    x = 6,761.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.