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Finding the Fourth Proportional to 5,324.76, 7,985.52 and 1,627.52

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Solution

The fourth proportional to 5,324.76, 7,985.52 and 1,627.52 is: 2,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.76 : 7,985.52 = 1,627.52 : x
  2. Step 2: Convert to fraction form
    5,324.76/7,985.52 = 1,627.52/x
  3. Step 3: Cross multiply
    5,324.76x = 7,985.52 × 1,627.52
  4. Step 4: Simplify right side
    5,324.76x = 12,996,553.58
  5. Step 5: Solve for x
    x = 12,996,553.58/5,324.76
  6. Step 6: Final answer
    x = 2,440.78

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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.