Home / 8,223.19-12,336-2,379.04

Finding the Fourth Proportional to 8,223.19, 12,336 and 2,379.04

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Solution

The fourth proportional to 8,223.19, 12,336 and 2,379.04 is: 3,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.19 : 12,336 = 2,379.04 : x
  2. Step 2: Convert to fraction form
    8,223.19/12,336 = 2,379.04/x
  3. Step 3: Cross multiply
    8,223.19x = 12,336 × 2,379.04
  4. Step 4: Simplify right side
    8,223.19x = 29,347,837.44
  5. Step 5: Solve for x
    x = 29,347,837.44/8,223.19
  6. Step 6: Final answer
    x = 3,568.91

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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.