Home / 8,886.82-13,321.39-4,198.53

Finding the Fourth Proportional to 8,886.82, 13,321.39 and 4,198.53

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Solution

The fourth proportional to 8,886.82, 13,321.39 and 4,198.53 is: 6,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.82 : 13,321.39 = 4,198.53 : x
  2. Step 2: Convert to fraction form
    8,886.82/13,321.39 = 4,198.53/x
  3. Step 3: Cross multiply
    8,886.82x = 13,321.39 × 4,198.53
  4. Step 4: Simplify right side
    8,886.82x = 55,930,233.35
  5. Step 5: Solve for x
    x = 55,930,233.35/8,886.82
  6. Step 6: Final answer
    x = 6,293.61

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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.