Home / 8,132.11-12,198.66-2,289.22

Finding the Fourth Proportional to 8,132.11, 12,198.66 and 2,289.22

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Solution

The fourth proportional to 8,132.11, 12,198.66 and 2,289.22 is: 3,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.11 : 12,198.66 = 2,289.22 : x
  2. Step 2: Convert to fraction form
    8,132.11/12,198.66 = 2,289.22/x
  3. Step 3: Cross multiply
    8,132.11x = 12,198.66 × 2,289.22
  4. Step 4: Simplify right side
    8,132.11x = 27,925,416.45
  5. Step 5: Solve for x
    x = 27,925,416.45/8,132.11
  6. Step 6: Final answer
    x = 3,433.97

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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.