Home / 5,315.52-7,974.72-2,849.88

Finding the Fourth Proportional to 5,315.52, 7,974.72 and 2,849.88

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Solution

The fourth proportional to 5,315.52, 7,974.72 and 2,849.88 is: 4,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.52 : 7,974.72 = 2,849.88 : x
  2. Step 2: Convert to fraction form
    5,315.52/7,974.72 = 2,849.88/x
  3. Step 3: Cross multiply
    5,315.52x = 7,974.72 × 2,849.88
  4. Step 4: Simplify right side
    5,315.52x = 22,726,995.03
  5. Step 5: Solve for x
    x = 22,726,995.03/5,315.52
  6. Step 6: Final answer
    x = 4,275.59

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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.