Home / 8,144.06-12,213.99-3,213.73

Finding the Fourth Proportional to 8,144.06, 12,213.99 and 3,213.73

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Solution

The fourth proportional to 8,144.06, 12,213.99 and 3,213.73 is: 4,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.06 : 12,213.99 = 3,213.73 : x
  2. Step 2: Convert to fraction form
    8,144.06/12,213.99 = 3,213.73/x
  3. Step 3: Cross multiply
    8,144.06x = 12,213.99 × 3,213.73
  4. Step 4: Simplify right side
    8,144.06x = 39,252,466.08
  5. Step 5: Solve for x
    x = 39,252,466.08/8,144.06
  6. Step 6: Final answer
    x = 4,819.77

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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.