Home / 5,601.28-7,729.47-3,082.90

Finding the Fourth Proportional to 5,601.28, 7,729.47 and 3,082.90

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Solution

The fourth proportional to 5,601.28, 7,729.47 and 3,082.90 is: 4,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.28 : 7,729.47 = 3,082.90 : x
  2. Step 2: Convert to fraction form
    5,601.28/7,729.47 = 3,082.90/x
  3. Step 3: Cross multiply
    5,601.28x = 7,729.47 × 3,082.90
  4. Step 4: Simplify right side
    5,601.28x = 23,829,148.32
  5. Step 5: Solve for x
    x = 23,829,148.32/5,601.28
  6. Step 6: Final answer
    x = 4,254.23

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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.