Home / 6,248.20-8,625.30-3,891.92

Finding the Fourth Proportional to 6,248.20, 8,625.30 and 3,891.92

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Solution

The fourth proportional to 6,248.20, 8,625.30 and 3,891.92 is: 5,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.20 : 8,625.30 = 3,891.92 : x
  2. Step 2: Convert to fraction form
    6,248.20/8,625.30 = 3,891.92/x
  3. Step 3: Cross multiply
    6,248.20x = 8,625.30 × 3,891.92
  4. Step 4: Simplify right side
    6,248.20x = 33,568,977.58
  5. Step 5: Solve for x
    x = 33,568,977.58/6,248.20
  6. Step 6: Final answer
    x = 5,372.58

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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.