Home / 8,042.57-11,098.72-4,505.78

Finding the Fourth Proportional to 8,042.57, 11,098.72 and 4,505.78

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Solution

The fourth proportional to 8,042.57, 11,098.72 and 4,505.78 is: 6,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.57 : 11,098.72 = 4,505.78 : x
  2. Step 2: Convert to fraction form
    8,042.57/11,098.72 = 4,505.78/x
  3. Step 3: Cross multiply
    8,042.57x = 11,098.72 × 4,505.78
  4. Step 4: Simplify right side
    8,042.57x = 50,008,361.55
  5. Step 5: Solve for x
    x = 50,008,361.55/8,042.57
  6. Step 6: Final answer
    x = 6,217.96

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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.