Home / 4,932.30-7,391.70-3,171.90

Finding the Fourth Proportional to 4,932.30, 7,391.70 and 3,171.90

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Solution

The fourth proportional to 4,932.30, 7,391.70 and 3,171.90 is: 4,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.30 : 7,391.70 = 3,171.90 : x
  2. Step 2: Convert to fraction form
    4,932.30/7,391.70 = 3,171.90/x
  3. Step 3: Cross multiply
    4,932.30x = 7,391.70 × 3,171.90
  4. Step 4: Simplify right side
    4,932.30x = 23,445,733.23
  5. Step 5: Solve for x
    x = 23,445,733.23/4,932.30
  6. Step 6: Final answer
    x = 4,753.51

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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.