Home / 8,877.18-13,314.79-3,177.92

Finding the Fourth Proportional to 8,877.18, 13,314.79 and 3,177.92

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Solution

The fourth proportional to 8,877.18, 13,314.79 and 3,177.92 is: 4,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.18 : 13,314.79 = 3,177.92 : x
  2. Step 2: Convert to fraction form
    8,877.18/13,314.79 = 3,177.92/x
  3. Step 3: Cross multiply
    8,877.18x = 13,314.79 × 3,177.92
  4. Step 4: Simplify right side
    8,877.18x = 42,313,290.86
  5. Step 5: Solve for x
    x = 42,313,290.86/8,877.18
  6. Step 6: Final answer
    x = 4,766.52

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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.