Home / 8,922.78-13,385.85-3,729.18

Finding the Fourth Proportional to 8,922.78, 13,385.85 and 3,729.18

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Solution

The fourth proportional to 8,922.78, 13,385.85 and 3,729.18 is: 5,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.78 : 13,385.85 = 3,729.18 : x
  2. Step 2: Convert to fraction form
    8,922.78/13,385.85 = 3,729.18/x
  3. Step 3: Cross multiply
    8,922.78x = 13,385.85 × 3,729.18
  4. Step 4: Simplify right side
    8,922.78x = 49,918,244.10
  5. Step 5: Solve for x
    x = 49,918,244.10/8,922.78
  6. Step 6: Final answer
    x = 5,594.47

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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.