Home / 8,747.68-13,118.34-3,199.39

Finding the Fourth Proportional to 8,747.68, 13,118.34 and 3,199.39

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Solution

The fourth proportional to 8,747.68, 13,118.34 and 3,199.39 is: 4,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.68 : 13,118.34 = 3,199.39 : x
  2. Step 2: Convert to fraction form
    8,747.68/13,118.34 = 3,199.39/x
  3. Step 3: Cross multiply
    8,747.68x = 13,118.34 × 3,199.39
  4. Step 4: Simplify right side
    8,747.68x = 41,970,685.81
  5. Step 5: Solve for x
    x = 41,970,685.81/8,747.68
  6. Step 6: Final answer
    x = 4,797.92

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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.