Home / 5,575.38-7,694.37-3,091.38

Finding the Fourth Proportional to 5,575.38, 7,694.37 and 3,091.38

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Solution

The fourth proportional to 5,575.38, 7,694.37 and 3,091.38 is: 4,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.38 : 7,694.37 = 3,091.38 : x
  2. Step 2: Convert to fraction form
    5,575.38/7,694.37 = 3,091.38/x
  3. Step 3: Cross multiply
    5,575.38x = 7,694.37 × 3,091.38
  4. Step 4: Simplify right side
    5,575.38x = 23,786,221.53
  5. Step 5: Solve for x
    x = 23,786,221.53/5,575.38
  6. Step 6: Final answer
    x = 4,266.30

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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.