Home / 5,232.28-7,851.12-2,891.85

Finding the Fourth Proportional to 5,232.28, 7,851.12 and 2,891.85

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Solution

The fourth proportional to 5,232.28, 7,851.12 and 2,891.85 is: 4,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.28 : 7,851.12 = 2,891.85 : x
  2. Step 2: Convert to fraction form
    5,232.28/7,851.12 = 2,891.85/x
  3. Step 3: Cross multiply
    5,232.28x = 7,851.12 × 2,891.85
  4. Step 4: Simplify right side
    5,232.28x = 22,704,265.76
  5. Step 5: Solve for x
    x = 22,704,265.76/5,232.28
  6. Step 6: Final answer
    x = 4,339.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.