Home / 7,082.52-10,616.46-3,189.66

Finding the Fourth Proportional to 7,082.52, 10,616.46 and 3,189.66

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Solution

The fourth proportional to 7,082.52, 10,616.46 and 3,189.66 is: 4,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.52 : 10,616.46 = 3,189.66 : x
  2. Step 2: Convert to fraction form
    7,082.52/10,616.46 = 3,189.66/x
  3. Step 3: Cross multiply
    7,082.52x = 10,616.46 × 3,189.66
  4. Step 4: Simplify right side
    7,082.52x = 33,862,897.80
  5. Step 5: Solve for x
    x = 33,862,897.80/7,082.52
  6. Step 6: Final answer
    x = 4,781.19

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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.