Home / 8,743.68-13,112.04-3,195.76

Finding the Fourth Proportional to 8,743.68, 13,112.04 and 3,195.76

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Solution

The fourth proportional to 8,743.68, 13,112.04 and 3,195.76 is: 4,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.68 : 13,112.04 = 3,195.76 : x
  2. Step 2: Convert to fraction form
    8,743.68/13,112.04 = 3,195.76/x
  3. Step 3: Cross multiply
    8,743.68x = 13,112.04 × 3,195.76
  4. Step 4: Simplify right side
    8,743.68x = 41,902,932.95
  5. Step 5: Solve for x
    x = 41,902,932.95/8,743.68
  6. Step 6: Final answer
    x = 4,792.37

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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.