Home / 8,872.20-13,308.50-3,324.51

Finding the Fourth Proportional to 8,872.20, 13,308.50 and 3,324.51

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Solution

The fourth proportional to 8,872.20, 13,308.50 and 3,324.51 is: 4,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.20 : 13,308.50 = 3,324.51 : x
  2. Step 2: Convert to fraction form
    8,872.20/13,308.50 = 3,324.51/x
  3. Step 3: Cross multiply
    8,872.20x = 13,308.50 × 3,324.51
  4. Step 4: Simplify right side
    8,872.20x = 44,244,249.65
  5. Step 5: Solve for x
    x = 44,244,249.65/8,872.20
  6. Step 6: Final answer
    x = 4,986.84

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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.