Home / 5,517.76-7,614.19-2,999.85

Finding the Fourth Proportional to 5,517.76, 7,614.19 and 2,999.85

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Solution

The fourth proportional to 5,517.76, 7,614.19 and 2,999.85 is: 4,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.76 : 7,614.19 = 2,999.85 : x
  2. Step 2: Convert to fraction form
    5,517.76/7,614.19 = 2,999.85/x
  3. Step 3: Cross multiply
    5,517.76x = 7,614.19 × 2,999.85
  4. Step 4: Simplify right side
    5,517.76x = 22,841,427.87
  5. Step 5: Solve for x
    x = 22,841,427.87/5,517.76
  6. Step 6: Final answer
    x = 4,139.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.