Home / 8,198.22-12,294.59-2,650.07

Finding the Fourth Proportional to 8,198.22, 12,294.59 and 2,650.07

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Solution

The fourth proportional to 8,198.22, 12,294.59 and 2,650.07 is: 3,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.22 : 12,294.59 = 2,650.07 : x
  2. Step 2: Convert to fraction form
    8,198.22/12,294.59 = 2,650.07/x
  3. Step 3: Cross multiply
    8,198.22x = 12,294.59 × 2,650.07
  4. Step 4: Simplify right side
    8,198.22x = 32,581,561.48
  5. Step 5: Solve for x
    x = 32,581,561.48/8,198.22
  6. Step 6: Final answer
    x = 3,974.22

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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.