Home / 5,486.45-8,229.49-2,198.66

Finding the Fourth Proportional to 5,486.45, 8,229.49 and 2,198.66

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Solution

The fourth proportional to 5,486.45, 8,229.49 and 2,198.66 is: 3,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.45 : 8,229.49 = 2,198.66 : x
  2. Step 2: Convert to fraction form
    5,486.45/8,229.49 = 2,198.66/x
  3. Step 3: Cross multiply
    5,486.45x = 8,229.49 × 2,198.66
  4. Step 4: Simplify right side
    5,486.45x = 18,093,850.48
  5. Step 5: Solve for x
    x = 18,093,850.48/5,486.45
  6. Step 6: Final answer
    x = 3,297.92

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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.