Home / 5,251.97-7,247.65-2,862.05

Finding the Fourth Proportional to 5,251.97, 7,247.65 and 2,862.05

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Solution

The fourth proportional to 5,251.97, 7,247.65 and 2,862.05 is: 3,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.97 : 7,247.65 = 2,862.05 : x
  2. Step 2: Convert to fraction form
    5,251.97/7,247.65 = 2,862.05/x
  3. Step 3: Cross multiply
    5,251.97x = 7,247.65 × 2,862.05
  4. Step 4: Simplify right side
    5,251.97x = 20,743,093.29
  5. Step 5: Solve for x
    x = 20,743,093.29/5,251.97
  6. Step 6: Final answer
    x = 3,949.59

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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.