Home / 8,198.06-12,294.45-2,650.07

Finding the Fourth Proportional to 8,198.06, 12,294.45 and 2,650.07

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Solution

The fourth proportional to 8,198.06, 12,294.45 and 2,650.07 is: 3,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.06 : 12,294.45 = 2,650.07 : x
  2. Step 2: Convert to fraction form
    8,198.06/12,294.45 = 2,650.07/x
  3. Step 3: Cross multiply
    8,198.06x = 12,294.45 × 2,650.07
  4. Step 4: Simplify right side
    8,198.06x = 32,581,183.85
  5. Step 5: Solve for x
    x = 32,581,183.85/8,198.06
  6. Step 6: Final answer
    x = 3,974.26

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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.