Home / 8,212.92-12,319.20-3,536.04

Finding the Fourth Proportional to 8,212.92, 12,319.20 and 3,536.04

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Solution

The fourth proportional to 8,212.92, 12,319.20 and 3,536.04 is: 5,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.92 : 12,319.20 = 3,536.04 : x
  2. Step 2: Convert to fraction form
    8,212.92/12,319.20 = 3,536.04/x
  3. Step 3: Cross multiply
    8,212.92x = 12,319.20 × 3,536.04
  4. Step 4: Simplify right side
    8,212.92x = 43,561,183.97
  5. Step 5: Solve for x
    x = 43,561,183.97/8,212.92
  6. Step 6: Final answer
    x = 5,303.98

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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.