Home / 8,373.26-12,559.89-3,179.14

Finding the Fourth Proportional to 8,373.26, 12,559.89 and 3,179.14

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Solution

The fourth proportional to 8,373.26, 12,559.89 and 3,179.14 is: 4,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.26 : 12,559.89 = 3,179.14 : x
  2. Step 2: Convert to fraction form
    8,373.26/12,559.89 = 3,179.14/x
  3. Step 3: Cross multiply
    8,373.26x = 12,559.89 × 3,179.14
  4. Step 4: Simplify right side
    8,373.26x = 39,929,648.69
  5. Step 5: Solve for x
    x = 39,929,648.69/8,373.26
  6. Step 6: Final answer
    x = 4,768.71

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Similar ratio
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1.5x scale

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.