Home / 8,132.06-12,198.81-2,288.72

Finding the Fourth Proportional to 8,132.06, 12,198.81 and 2,288.72

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Solution

The fourth proportional to 8,132.06, 12,198.81 and 2,288.72 is: 3,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.06 : 12,198.81 = 2,288.72 : x
  2. Step 2: Convert to fraction form
    8,132.06/12,198.81 = 2,288.72/x
  3. Step 3: Cross multiply
    8,132.06x = 12,198.81 × 2,288.72
  4. Step 4: Simplify right side
    8,132.06x = 27,919,660.42
  5. Step 5: Solve for x
    x = 27,919,660.42/8,132.06
  6. Step 6: Final answer
    x = 3,433.28

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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.