Home / 8,799.20-13,198.69-2,135.76

Finding the Fourth Proportional to 8,799.20, 13,198.69 and 2,135.76

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Solution

The fourth proportional to 8,799.20, 13,198.69 and 2,135.76 is: 3,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.20 : 13,198.69 = 2,135.76 : x
  2. Step 2: Convert to fraction form
    8,799.20/13,198.69 = 2,135.76/x
  3. Step 3: Cross multiply
    8,799.20x = 13,198.69 × 2,135.76
  4. Step 4: Simplify right side
    8,799.20x = 28,189,187.94
  5. Step 5: Solve for x
    x = 28,189,187.94/8,799.20
  6. Step 6: Final answer
    x = 3,203.61

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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.