Home / 6,126.60-9,189.90-2,229.42

Finding the Fourth Proportional to 6,126.60, 9,189.90 and 2,229.42

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Solution

The fourth proportional to 6,126.60, 9,189.90 and 2,229.42 is: 3,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.60 : 9,189.90 = 2,229.42 : x
  2. Step 2: Convert to fraction form
    6,126.60/9,189.90 = 2,229.42/x
  3. Step 3: Cross multiply
    6,126.60x = 9,189.90 × 2,229.42
  4. Step 4: Simplify right side
    6,126.60x = 20,488,146.86
  5. Step 5: Solve for x
    x = 20,488,146.86/6,126.60
  6. Step 6: Final answer
    x = 3,344.13

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Double scale
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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.