Home / 8,079.38-12,119.36-2,532.59

Finding the Fourth Proportional to 8,079.38, 12,119.36 and 2,532.59

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Solution

The fourth proportional to 8,079.38, 12,119.36 and 2,532.59 is: 3,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.38 : 12,119.36 = 2,532.59 : x
  2. Step 2: Convert to fraction form
    8,079.38/12,119.36 = 2,532.59/x
  3. Step 3: Cross multiply
    8,079.38x = 12,119.36 × 2,532.59
  4. Step 4: Simplify right side
    8,079.38x = 30,693,296.68
  5. Step 5: Solve for x
    x = 30,693,296.68/8,079.38
  6. Step 6: Final answer
    x = 3,798.97

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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.