Home / 6,824.80-10,233.84-2,207.20

Finding the Fourth Proportional to 6,824.80, 10,233.84 and 2,207.20

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Solution

The fourth proportional to 6,824.80, 10,233.84 and 2,207.20 is: 3,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.80 : 10,233.84 = 2,207.20 : x
  2. Step 2: Convert to fraction form
    6,824.80/10,233.84 = 2,207.20/x
  3. Step 3: Cross multiply
    6,824.80x = 10,233.84 × 2,207.20
  4. Step 4: Simplify right side
    6,824.80x = 22,588,131.65
  5. Step 5: Solve for x
    x = 22,588,131.65/6,824.80
  6. Step 6: Final answer
    x = 3,309.71

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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.