Home / 8,222.38-11,346.89-4,865.13

Finding the Fourth Proportional to 8,222.38, 11,346.89 and 4,865.13

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Solution

The fourth proportional to 8,222.38, 11,346.89 and 4,865.13 is: 6,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.38 : 11,346.89 = 4,865.13 : x
  2. Step 2: Convert to fraction form
    8,222.38/11,346.89 = 4,865.13/x
  3. Step 3: Cross multiply
    8,222.38x = 11,346.89 × 4,865.13
  4. Step 4: Simplify right side
    8,222.38x = 55,204,070.62
  5. Step 5: Solve for x
    x = 55,204,070.62/8,222.38
  6. Step 6: Final answer
    x = 6,713.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.