Home / 8,042.96-11,099.22-5,211.38

Finding the Fourth Proportional to 8,042.96, 11,099.22 and 5,211.38

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Solution

The fourth proportional to 8,042.96, 11,099.22 and 5,211.38 is: 7,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.96 : 11,099.22 = 5,211.38 : x
  2. Step 2: Convert to fraction form
    8,042.96/11,099.22 = 5,211.38/x
  3. Step 3: Cross multiply
    8,042.96x = 11,099.22 × 5,211.38
  4. Step 4: Simplify right side
    8,042.96x = 57,842,253.12
  5. Step 5: Solve for x
    x = 57,842,253.12/8,042.96
  6. Step 6: Final answer
    x = 7,191.66

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Half scale
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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.