Home / 8,854.08-13,279.30-3,306.40

Finding the Fourth Proportional to 8,854.08, 13,279.30 and 3,306.40

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Solution

The fourth proportional to 8,854.08, 13,279.30 and 3,306.40 is: 4,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.08 : 13,279.30 = 3,306.40 : x
  2. Step 2: Convert to fraction form
    8,854.08/13,279.30 = 3,306.40/x
  3. Step 3: Cross multiply
    8,854.08x = 13,279.30 × 3,306.40
  4. Step 4: Simplify right side
    8,854.08x = 43,906,677.52
  5. Step 5: Solve for x
    x = 43,906,677.52/8,854.08
  6. Step 6: Final answer
    x = 4,958.92

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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.