Home / 7,867.19-11,796.94-2,799.69

Finding the Fourth Proportional to 7,867.19, 11,796.94 and 2,799.69

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Solution

The fourth proportional to 7,867.19, 11,796.94 and 2,799.69 is: 4,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.19 : 11,796.94 = 2,799.69 : x
  2. Step 2: Convert to fraction form
    7,867.19/11,796.94 = 2,799.69/x
  3. Step 3: Cross multiply
    7,867.19x = 11,796.94 × 2,799.69
  4. Step 4: Simplify right side
    7,867.19x = 33,027,734.21
  5. Step 5: Solve for x
    x = 33,027,734.21/7,867.19
  6. Step 6: Final answer
    x = 4,198.16

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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.