Home / 5,517.28-7,611.22-3,277.88

Finding the Fourth Proportional to 5,517.28, 7,611.22 and 3,277.88

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Solution

The fourth proportional to 5,517.28, 7,611.22 and 3,277.88 is: 4,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.28 : 7,611.22 = 3,277.88 : x
  2. Step 2: Convert to fraction form
    5,517.28/7,611.22 = 3,277.88/x
  3. Step 3: Cross multiply
    5,517.28x = 7,611.22 × 3,277.88
  4. Step 4: Simplify right side
    5,517.28x = 24,948,665.81
  5. Step 5: Solve for x
    x = 24,948,665.81/5,517.28
  6. Step 6: Final answer
    x = 4,521.91

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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.