Home / 5,091.91-7,027.17-2,853.75

Finding the Fourth Proportional to 5,091.91, 7,027.17 and 2,853.75

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Solution

The fourth proportional to 5,091.91, 7,027.17 and 2,853.75 is: 3,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.91 : 7,027.17 = 2,853.75 : x
  2. Step 2: Convert to fraction form
    5,091.91/7,027.17 = 2,853.75/x
  3. Step 3: Cross multiply
    5,091.91x = 7,027.17 × 2,853.75
  4. Step 4: Simplify right side
    5,091.91x = 20,053,786.39
  5. Step 5: Solve for x
    x = 20,053,786.39/5,091.91
  6. Step 6: Final answer
    x = 3,938.36

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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.