Home / 8,268.27-12,404.11-2,721.95

Finding the Fourth Proportional to 8,268.27, 12,404.11 and 2,721.95

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Solution

The fourth proportional to 8,268.27, 12,404.11 and 2,721.95 is: 4,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.27 : 12,404.11 = 2,721.95 : x
  2. Step 2: Convert to fraction form
    8,268.27/12,404.11 = 2,721.95/x
  3. Step 3: Cross multiply
    8,268.27x = 12,404.11 × 2,721.95
  4. Step 4: Simplify right side
    8,268.27x = 33,763,322.78
  5. Step 5: Solve for x
    x = 33,763,322.78/8,268.27
  6. Step 6: Final answer
    x = 4,083.48

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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.