Home / 5,229.43-7,844.40-2,109.02

Finding the Fourth Proportional to 5,229.43, 7,844.40 and 2,109.02

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Solution

The fourth proportional to 5,229.43, 7,844.40 and 2,109.02 is: 3,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.43 : 7,844.40 = 2,109.02 : x
  2. Step 2: Convert to fraction form
    5,229.43/7,844.40 = 2,109.02/x
  3. Step 3: Cross multiply
    5,229.43x = 7,844.40 × 2,109.02
  4. Step 4: Simplify right side
    5,229.43x = 16,543,996.49
  5. Step 5: Solve for x
    x = 16,543,996.49/5,229.43
  6. Step 6: Final answer
    x = 3,163.63

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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.