Home / 8,154.17-12,232.28-2,887.95

Finding the Fourth Proportional to 8,154.17, 12,232.28 and 2,887.95

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Solution

The fourth proportional to 8,154.17, 12,232.28 and 2,887.95 is: 4,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.17 : 12,232.28 = 2,887.95 : x
  2. Step 2: Convert to fraction form
    8,154.17/12,232.28 = 2,887.95/x
  3. Step 3: Cross multiply
    8,154.17x = 12,232.28 × 2,887.95
  4. Step 4: Simplify right side
    8,154.17x = 35,326,213.03
  5. Step 5: Solve for x
    x = 35,326,213.03/8,154.17
  6. Step 6: Final answer
    x = 4,332.29

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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.