Home / 4,987.70-6,882.92-2,749.52

Finding the Fourth Proportional to 4,987.70, 6,882.92 and 2,749.52

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Solution

The fourth proportional to 4,987.70, 6,882.92 and 2,749.52 is: 3,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.70 : 6,882.92 = 2,749.52 : x
  2. Step 2: Convert to fraction form
    4,987.70/6,882.92 = 2,749.52/x
  3. Step 3: Cross multiply
    4,987.70x = 6,882.92 × 2,749.52
  4. Step 4: Simplify right side
    4,987.70x = 18,924,726.20
  5. Step 5: Solve for x
    x = 18,924,726.20/4,987.70
  6. Step 6: Final answer
    x = 3,794.28

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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.