Home / 8,198.55-12,301.88-3,268.08

Finding the Fourth Proportional to 8,198.55, 12,301.88 and 3,268.08

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Solution

The fourth proportional to 8,198.55, 12,301.88 and 3,268.08 is: 4,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.55 : 12,301.88 = 3,268.08 : x
  2. Step 2: Convert to fraction form
    8,198.55/12,301.88 = 3,268.08/x
  3. Step 3: Cross multiply
    8,198.55x = 12,301.88 × 3,268.08
  4. Step 4: Simplify right side
    8,198.55x = 40,203,511.65
  5. Step 5: Solve for x
    x = 40,203,511.65/8,198.55
  6. Step 6: Final answer
    x = 4,903.73

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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.