Home / 5,177.53-7,145.20-3,082.87

Finding the Fourth Proportional to 5,177.53, 7,145.20 and 3,082.87

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Solution

The fourth proportional to 5,177.53, 7,145.20 and 3,082.87 is: 4,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.53 : 7,145.20 = 3,082.87 : x
  2. Step 2: Convert to fraction form
    5,177.53/7,145.20 = 3,082.87/x
  3. Step 3: Cross multiply
    5,177.53x = 7,145.20 × 3,082.87
  4. Step 4: Simplify right side
    5,177.53x = 22,027,735.51
  5. Step 5: Solve for x
    x = 22,027,735.51/5,177.53
  6. Step 6: Final answer
    x = 4,254.49

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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.