Home / 7,372.88-11,052.79-5,287.64

Finding the Fourth Proportional to 7,372.88, 11,052.79 and 5,287.64

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Solution

The fourth proportional to 7,372.88, 11,052.79 and 5,287.64 is: 7,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.88 : 11,052.79 = 5,287.64 : x
  2. Step 2: Convert to fraction form
    7,372.88/11,052.79 = 5,287.64/x
  3. Step 3: Cross multiply
    7,372.88x = 11,052.79 × 5,287.64
  4. Step 4: Simplify right side
    7,372.88x = 58,443,174.52
  5. Step 5: Solve for x
    x = 58,443,174.52/7,372.88
  6. Step 6: Final answer
    x = 7,926.78

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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.