Home / 5,440.20-7,507.94-3,082.76

Finding the Fourth Proportional to 5,440.20, 7,507.94 and 3,082.76

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Solution

The fourth proportional to 5,440.20, 7,507.94 and 3,082.76 is: 4,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.20 : 7,507.94 = 3,082.76 : x
  2. Step 2: Convert to fraction form
    5,440.20/7,507.94 = 3,082.76/x
  3. Step 3: Cross multiply
    5,440.20x = 7,507.94 × 3,082.76
  4. Step 4: Simplify right side
    5,440.20x = 23,145,177.11
  5. Step 5: Solve for x
    x = 23,145,177.11/5,440.20
  6. Step 6: Final answer
    x = 4,254.47

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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.