Home / 5,481.26-8,222.70-2,519.08

Finding the Fourth Proportional to 5,481.26, 8,222.70 and 2,519.08

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Solution

The fourth proportional to 5,481.26, 8,222.70 and 2,519.08 is: 3,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.26 : 8,222.70 = 2,519.08 : x
  2. Step 2: Convert to fraction form
    5,481.26/8,222.70 = 2,519.08/x
  3. Step 3: Cross multiply
    5,481.26x = 8,222.70 × 2,519.08
  4. Step 4: Simplify right side
    5,481.26x = 20,713,639.12
  5. Step 5: Solve for x
    x = 20,713,639.12/5,481.26
  6. Step 6: Final answer
    x = 3,778.99

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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.