Home / 5,177.28-7,145.84-3,082.60

Finding the Fourth Proportional to 5,177.28, 7,145.84 and 3,082.60

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Solution

The fourth proportional to 5,177.28, 7,145.84 and 3,082.60 is: 4,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.28 : 7,145.84 = 3,082.60 : x
  2. Step 2: Convert to fraction form
    5,177.28/7,145.84 = 3,082.60/x
  3. Step 3: Cross multiply
    5,177.28x = 7,145.84 × 3,082.60
  4. Step 4: Simplify right side
    5,177.28x = 22,027,766.38
  5. Step 5: Solve for x
    x = 22,027,766.38/5,177.28
  6. Step 6: Final answer
    x = 4,254.70

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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.