Home / 8,748.68-13,119.84-3,200.39

Finding the Fourth Proportional to 8,748.68, 13,119.84 and 3,200.39

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Solution

The fourth proportional to 8,748.68, 13,119.84 and 3,200.39 is: 4,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.68 : 13,119.84 = 3,200.39 : x
  2. Step 2: Convert to fraction form
    8,748.68/13,119.84 = 3,200.39/x
  3. Step 3: Cross multiply
    8,748.68x = 13,119.84 × 3,200.39
  4. Step 4: Simplify right side
    8,748.68x = 41,988,604.74
  5. Step 5: Solve for x
    x = 41,988,604.74/8,748.68
  6. Step 6: Final answer
    x = 4,799.42

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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.