Home / 3,942.43-5,435.32-3,267.71

Finding the Fourth Proportional to 3,942.43, 5,435.32 and 3,267.71

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Solution

The fourth proportional to 3,942.43, 5,435.32 and 3,267.71 is: 4,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.43 : 5,435.32 = 3,267.71 : x
  2. Step 2: Convert to fraction form
    3,942.43/5,435.32 = 3,267.71/x
  3. Step 3: Cross multiply
    3,942.43x = 5,435.32 × 3,267.71
  4. Step 4: Simplify right side
    3,942.43x = 17,761,063.11
  5. Step 5: Solve for x
    x = 17,761,063.11/3,942.43
  6. Step 6: Final answer
    x = 4,505.11

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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.