Home / 8,854.28-13,281.39-2,279.91

Finding the Fourth Proportional to 8,854.28, 13,281.39 and 2,279.91

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Solution

The fourth proportional to 8,854.28, 13,281.39 and 2,279.91 is: 3,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.28 : 13,281.39 = 2,279.91 : x
  2. Step 2: Convert to fraction form
    8,854.28/13,281.39 = 2,279.91/x
  3. Step 3: Cross multiply
    8,854.28x = 13,281.39 × 2,279.91
  4. Step 4: Simplify right side
    8,854.28x = 30,280,373.87
  5. Step 5: Solve for x
    x = 30,280,373.87/8,854.28
  6. Step 6: Final answer
    x = 3,419.86

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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.