Home / 8,145.02-12,217.54-2,951.30

Finding the Fourth Proportional to 8,145.02, 12,217.54 and 2,951.30

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Solution

The fourth proportional to 8,145.02, 12,217.54 and 2,951.30 is: 4,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.02 : 12,217.54 = 2,951.30 : x
  2. Step 2: Convert to fraction form
    8,145.02/12,217.54 = 2,951.30/x
  3. Step 3: Cross multiply
    8,145.02x = 12,217.54 × 2,951.30
  4. Step 4: Simplify right side
    8,145.02x = 36,057,625.80
  5. Step 5: Solve for x
    x = 36,057,625.80/8,145.02
  6. Step 6: Final answer
    x = 4,426.95

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Similar ratio
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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.