Home / 8,189.72-12,282.45-2,344.96

Finding the Fourth Proportional to 8,189.72, 12,282.45 and 2,344.96

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Solution

The fourth proportional to 8,189.72, 12,282.45 and 2,344.96 is: 3,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.72 : 12,282.45 = 2,344.96 : x
  2. Step 2: Convert to fraction form
    8,189.72/12,282.45 = 2,344.96/x
  3. Step 3: Cross multiply
    8,189.72x = 12,282.45 × 2,344.96
  4. Step 4: Simplify right side
    8,189.72x = 28,801,853.95
  5. Step 5: Solve for x
    x = 28,801,853.95/8,189.72
  6. Step 6: Final answer
    x = 3,516.83

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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.