Home / 7,162.38-10,744.79-2,231.91

Finding the Fourth Proportional to 7,162.38, 10,744.79 and 2,231.91

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Solution

The fourth proportional to 7,162.38, 10,744.79 and 2,231.91 is: 3,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.38 : 10,744.79 = 2,231.91 : x
  2. Step 2: Convert to fraction form
    7,162.38/10,744.79 = 2,231.91/x
  3. Step 3: Cross multiply
    7,162.38x = 10,744.79 × 2,231.91
  4. Step 4: Simplify right side
    7,162.38x = 23,981,393.09
  5. Step 5: Solve for x
    x = 23,981,393.09/7,162.38
  6. Step 6: Final answer
    x = 3,348.24

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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.