Home / 7,538.38-11,309.78-3,377.46

Finding the Fourth Proportional to 7,538.38, 11,309.78 and 3,377.46

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Solution

The fourth proportional to 7,538.38, 11,309.78 and 3,377.46 is: 5,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.38 : 11,309.78 = 3,377.46 : x
  2. Step 2: Convert to fraction form
    7,538.38/11,309.78 = 3,377.46/x
  3. Step 3: Cross multiply
    7,538.38x = 11,309.78 × 3,377.46
  4. Step 4: Simplify right side
    7,538.38x = 38,198,329.56
  5. Step 5: Solve for x
    x = 38,198,329.56/7,538.38
  6. Step 6: Final answer
    x = 5,067.18

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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.