Home / 7,791.48-11,680.26-2,859.97

Finding the Fourth Proportional to 7,791.48, 11,680.26 and 2,859.97

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Solution

The fourth proportional to 7,791.48, 11,680.26 and 2,859.97 is: 4,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.48 : 11,680.26 = 2,859.97 : x
  2. Step 2: Convert to fraction form
    7,791.48/11,680.26 = 2,859.97/x
  3. Step 3: Cross multiply
    7,791.48x = 11,680.26 × 2,859.97
  4. Step 4: Simplify right side
    7,791.48x = 33,405,193.19
  5. Step 5: Solve for x
    x = 33,405,193.19/7,791.48
  6. Step 6: Final answer
    x = 4,287.40

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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.