Home / 8,152.17-12,229.28-2,885.95

Finding the Fourth Proportional to 8,152.17, 12,229.28 and 2,885.95

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Solution

The fourth proportional to 8,152.17, 12,229.28 and 2,885.95 is: 4,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.17 : 12,229.28 = 2,885.95 : x
  2. Step 2: Convert to fraction form
    8,152.17/12,229.28 = 2,885.95/x
  3. Step 3: Cross multiply
    8,152.17x = 12,229.28 × 2,885.95
  4. Step 4: Simplify right side
    8,152.17x = 35,293,090.62
  5. Step 5: Solve for x
    x = 35,293,090.62/8,152.17
  6. Step 6: Final answer
    x = 4,329.29

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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.