Home / 5,427.97-8,149.49-2,797.36

Finding the Fourth Proportional to 5,427.97, 8,149.49 and 2,797.36

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Solution

The fourth proportional to 5,427.97, 8,149.49 and 2,797.36 is: 4,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.97 : 8,149.49 = 2,797.36 : x
  2. Step 2: Convert to fraction form
    5,427.97/8,149.49 = 2,797.36/x
  3. Step 3: Cross multiply
    5,427.97x = 8,149.49 × 2,797.36
  4. Step 4: Simplify right side
    5,427.97x = 22,797,057.35
  5. Step 5: Solve for x
    x = 22,797,057.35/5,427.97
  6. Step 6: Final answer
    x = 4,199.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.