Home / 7,489.26-11,229.92-2,293.74

Finding the Fourth Proportional to 7,489.26, 11,229.92 and 2,293.74

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Solution

The fourth proportional to 7,489.26, 11,229.92 and 2,293.74 is: 3,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.26 : 11,229.92 = 2,293.74 : x
  2. Step 2: Convert to fraction form
    7,489.26/11,229.92 = 2,293.74/x
  3. Step 3: Cross multiply
    7,489.26x = 11,229.92 × 2,293.74
  4. Step 4: Simplify right side
    7,489.26x = 25,758,516.70
  5. Step 5: Solve for x
    x = 25,758,516.70/7,489.26
  6. Step 6: Final answer
    x = 3,439.39

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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.