Home / 5,248.14-7,872.18-1,352.55

Finding the Fourth Proportional to 5,248.14, 7,872.18 and 1,352.55

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Solution

The fourth proportional to 5,248.14, 7,872.18 and 1,352.55 is: 2,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.14 : 7,872.18 = 1,352.55 : x
  2. Step 2: Convert to fraction form
    5,248.14/7,872.18 = 1,352.55/x
  3. Step 3: Cross multiply
    5,248.14x = 7,872.18 × 1,352.55
  4. Step 4: Simplify right side
    5,248.14x = 10,647,517.06
  5. Step 5: Solve for x
    x = 10,647,517.06/5,248.14
  6. Step 6: Final answer
    x = 2,028.82

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1.5x scale

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.