Home / 5,132.79-7,082.30-3,008.22

Finding the Fourth Proportional to 5,132.79, 7,082.30 and 3,008.22

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Solution

The fourth proportional to 5,132.79, 7,082.30 and 3,008.22 is: 4,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.79 : 7,082.30 = 3,008.22 : x
  2. Step 2: Convert to fraction form
    5,132.79/7,082.30 = 3,008.22/x
  3. Step 3: Cross multiply
    5,132.79x = 7,082.30 × 3,008.22
  4. Step 4: Simplify right side
    5,132.79x = 21,305,101.46
  5. Step 5: Solve for x
    x = 21,305,101.46/5,132.79
  6. Step 6: Final answer
    x = 4,150.78

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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.