Home / 5,440.28-7,507.80-3,082.44

Finding the Fourth Proportional to 5,440.28, 7,507.80 and 3,082.44

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Solution

The fourth proportional to 5,440.28, 7,507.80 and 3,082.44 is: 4,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.28 : 7,507.80 = 3,082.44 : x
  2. Step 2: Convert to fraction form
    5,440.28/7,507.80 = 3,082.44/x
  3. Step 3: Cross multiply
    5,440.28x = 7,507.80 × 3,082.44
  4. Step 4: Simplify right side
    5,440.28x = 23,142,343.03
  5. Step 5: Solve for x
    x = 23,142,343.03/5,440.28
  6. Step 6: Final answer
    x = 4,253.89

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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.