Home / 8,089.42-12,134.12-2,543.24

Finding the Fourth Proportional to 8,089.42, 12,134.12 and 2,543.24

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Solution

The fourth proportional to 8,089.42, 12,134.12 and 2,543.24 is: 3,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.42 : 12,134.12 = 2,543.24 : x
  2. Step 2: Convert to fraction form
    8,089.42/12,134.12 = 2,543.24/x
  3. Step 3: Cross multiply
    8,089.42x = 12,134.12 × 2,543.24
  4. Step 4: Simplify right side
    8,089.42x = 30,859,996.97
  5. Step 5: Solve for x
    x = 30,859,996.97/8,089.42
  6. Step 6: Final answer
    x = 3,814.86

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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.