Home / 8,255.28-12,382.02-2,332.02

Finding the Fourth Proportional to 8,255.28, 12,382.02 and 2,332.02

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Solution

The fourth proportional to 8,255.28, 12,382.02 and 2,332.02 is: 3,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.28 : 12,382.02 = 2,332.02 : x
  2. Step 2: Convert to fraction form
    8,255.28/12,382.02 = 2,332.02/x
  3. Step 3: Cross multiply
    8,255.28x = 12,382.02 × 2,332.02
  4. Step 4: Simplify right side
    8,255.28x = 28,875,118.28
  5. Step 5: Solve for x
    x = 28,875,118.28/8,255.28
  6. Step 6: Final answer
    x = 3,497.78

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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.