Home / 4,108.80-6,163.65-3,979.20

Finding the Fourth Proportional to 4,108.80, 6,163.65 and 3,979.20

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Solution

The fourth proportional to 4,108.80, 6,163.65 and 3,979.20 is: 5,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.80 : 6,163.65 = 3,979.20 : x
  2. Step 2: Convert to fraction form
    4,108.80/6,163.65 = 3,979.20/x
  3. Step 3: Cross multiply
    4,108.80x = 6,163.65 × 3,979.20
  4. Step 4: Simplify right side
    4,108.80x = 24,526,396.08
  5. Step 5: Solve for x
    x = 24,526,396.08/4,108.80
  6. Step 6: Final answer
    x = 5,969.24

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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.