Home / 8,179.35-12,272.09-3,252.44

Finding the Fourth Proportional to 8,179.35, 12,272.09 and 3,252.44

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Solution

The fourth proportional to 8,179.35, 12,272.09 and 3,252.44 is: 4,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.35 : 12,272.09 = 3,252.44 : x
  2. Step 2: Convert to fraction form
    8,179.35/12,272.09 = 3,252.44/x
  3. Step 3: Cross multiply
    8,179.35x = 12,272.09 × 3,252.44
  4. Step 4: Simplify right side
    8,179.35x = 39,914,158.78
  5. Step 5: Solve for x
    x = 39,914,158.78/8,179.35
  6. Step 6: Final answer
    x = 4,879.87

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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.