Home / 7,481.30-11,227.13-2,977.89

Finding the Fourth Proportional to 7,481.30, 11,227.13 and 2,977.89

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Solution

The fourth proportional to 7,481.30, 11,227.13 and 2,977.89 is: 4,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.30 : 11,227.13 = 2,977.89 : x
  2. Step 2: Convert to fraction form
    7,481.30/11,227.13 = 2,977.89/x
  3. Step 3: Cross multiply
    7,481.30x = 11,227.13 × 2,977.89
  4. Step 4: Simplify right side
    7,481.30x = 33,433,143.27
  5. Step 5: Solve for x
    x = 33,433,143.27/7,481.30
  6. Step 6: Final answer
    x = 4,468.90

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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.