Home / 7,755.38-11,627.39-2,487.39

Finding the Fourth Proportional to 7,755.38, 11,627.39 and 2,487.39

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Solution

The fourth proportional to 7,755.38, 11,627.39 and 2,487.39 is: 3,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.38 : 11,627.39 = 2,487.39 : x
  2. Step 2: Convert to fraction form
    7,755.38/11,627.39 = 2,487.39/x
  3. Step 3: Cross multiply
    7,755.38x = 11,627.39 × 2,487.39
  4. Step 4: Simplify right side
    7,755.38x = 28,921,795.48
  5. Step 5: Solve for x
    x = 28,921,795.48/7,755.38
  6. Step 6: Final answer
    x = 3,729.26

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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.