Home / 8,857.43-13,289.21-3,930.52

Finding the Fourth Proportional to 8,857.43, 13,289.21 and 3,930.52

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Solution

The fourth proportional to 8,857.43, 13,289.21 and 3,930.52 is: 5,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.43 : 13,289.21 = 3,930.52 : x
  2. Step 2: Convert to fraction form
    8,857.43/13,289.21 = 3,930.52/x
  3. Step 3: Cross multiply
    8,857.43x = 13,289.21 × 3,930.52
  4. Step 4: Simplify right side
    8,857.43x = 52,233,505.69
  5. Step 5: Solve for x
    x = 52,233,505.69/8,857.43
  6. Step 6: Final answer
    x = 5,897.14

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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.