Home / 8,747.87-13,118.90-3,200.18

Finding the Fourth Proportional to 8,747.87, 13,118.90 and 3,200.18

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Solution

The fourth proportional to 8,747.87, 13,118.90 and 3,200.18 is: 4,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.87 : 13,118.90 = 3,200.18 : x
  2. Step 2: Convert to fraction form
    8,747.87/13,118.90 = 3,200.18/x
  3. Step 3: Cross multiply
    8,747.87x = 13,118.90 × 3,200.18
  4. Step 4: Simplify right side
    8,747.87x = 41,982,759.81
  5. Step 5: Solve for x
    x = 41,982,759.81/8,747.87
  6. Step 6: Final answer
    x = 4,799.20

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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.