Home / 8,226.33-12,339.48-2,679.66

Finding the Fourth Proportional to 8,226.33, 12,339.48 and 2,679.66

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Solution

The fourth proportional to 8,226.33, 12,339.48 and 2,679.66 is: 4,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.33 : 12,339.48 = 2,679.66 : x
  2. Step 2: Convert to fraction form
    8,226.33/12,339.48 = 2,679.66/x
  3. Step 3: Cross multiply
    8,226.33x = 12,339.48 × 2,679.66
  4. Step 4: Simplify right side
    8,226.33x = 33,065,667.30
  5. Step 5: Solve for x
    x = 33,065,667.30/8,226.33
  6. Step 6: Final answer
    x = 4,019.49

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Similar ratio
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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.