Home / 8,144.40-12,217.68-2,950.32

Finding the Fourth Proportional to 8,144.40, 12,217.68 and 2,950.32

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Solution

The fourth proportional to 8,144.40, 12,217.68 and 2,950.32 is: 4,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.40 : 12,217.68 = 2,950.32 : x
  2. Step 2: Convert to fraction form
    8,144.40/12,217.68 = 2,950.32/x
  3. Step 3: Cross multiply
    8,144.40x = 12,217.68 × 2,950.32
  4. Step 4: Simplify right side
    8,144.40x = 36,046,065.66
  5. Step 5: Solve for x
    x = 36,046,065.66/8,144.40
  6. Step 6: Final answer
    x = 4,425.87

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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.