Home / 7,630.38-11,449.89-3,247.38

Finding the Fourth Proportional to 7,630.38, 11,449.89 and 3,247.38

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Solution

The fourth proportional to 7,630.38, 11,449.89 and 3,247.38 is: 4,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.38 : 11,449.89 = 3,247.38 : x
  2. Step 2: Convert to fraction form
    7,630.38/11,449.89 = 3,247.38/x
  3. Step 3: Cross multiply
    7,630.38x = 11,449.89 × 3,247.38
  4. Step 4: Simplify right side
    7,630.38x = 37,182,143.79
  5. Step 5: Solve for x
    x = 37,182,143.79/7,630.38
  6. Step 6: Final answer
    x = 4,872.91

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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.