Home / 6,082.52-9,118.20-3,999.20

Finding the Fourth Proportional to 6,082.52, 9,118.20 and 3,999.20

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Solution

The fourth proportional to 6,082.52, 9,118.20 and 3,999.20 is: 5,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.52 : 9,118.20 = 3,999.20 : x
  2. Step 2: Convert to fraction form
    6,082.52/9,118.20 = 3,999.20/x
  3. Step 3: Cross multiply
    6,082.52x = 9,118.20 × 3,999.20
  4. Step 4: Simplify right side
    6,082.52x = 36,465,505.44
  5. Step 5: Solve for x
    x = 36,465,505.44/6,082.52
  6. Step 6: Final answer
    x = 5,995.13

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1.5x scale

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.