Home / 7,796.20-11,687.28-2,862.49

Finding the Fourth Proportional to 7,796.20, 11,687.28 and 2,862.49

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Solution

The fourth proportional to 7,796.20, 11,687.28 and 2,862.49 is: 4,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.20 : 11,687.28 = 2,862.49 : x
  2. Step 2: Convert to fraction form
    7,796.20/11,687.28 = 2,862.49/x
  3. Step 3: Cross multiply
    7,796.20x = 11,687.28 × 2,862.49
  4. Step 4: Simplify right side
    7,796.20x = 33,454,722.13
  5. Step 5: Solve for x
    x = 33,454,722.13/7,796.20
  6. Step 6: Final answer
    x = 4,291.16

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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.