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Finding the Fourth Proportional to 7,517.52, 11,272.80 and 2,585.88

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Solution

The fourth proportional to 7,517.52, 11,272.80 and 2,585.88 is: 3,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.52 : 11,272.80 = 2,585.88 : x
  2. Step 2: Convert to fraction form
    7,517.52/11,272.80 = 2,585.88/x
  3. Step 3: Cross multiply
    7,517.52x = 11,272.80 × 2,585.88
  4. Step 4: Simplify right side
    7,517.52x = 29,150,108.06
  5. Step 5: Solve for x
    x = 29,150,108.06/7,517.52
  6. Step 6: Final answer
    x = 3,877.62

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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.