Home / 5,198.26-7,801.80-2,080.46

Finding the Fourth Proportional to 5,198.26, 7,801.80 and 2,080.46

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Solution

The fourth proportional to 5,198.26, 7,801.80 and 2,080.46 is: 3,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.26 : 7,801.80 = 2,080.46 : x
  2. Step 2: Convert to fraction form
    5,198.26/7,801.80 = 2,080.46/x
  3. Step 3: Cross multiply
    5,198.26x = 7,801.80 × 2,080.46
  4. Step 4: Simplify right side
    5,198.26x = 16,231,332.83
  5. Step 5: Solve for x
    x = 16,231,332.83/5,198.26
  6. Step 6: Final answer
    x = 3,122.45

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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.