Home / 8,220.38-12,333-2,377.04

Finding the Fourth Proportional to 8,220.38, 12,333 and 2,377.04

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Solution

The fourth proportional to 8,220.38, 12,333 and 2,377.04 is: 3,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.38 : 12,333 = 2,377.04 : x
  2. Step 2: Convert to fraction form
    8,220.38/12,333 = 2,377.04/x
  3. Step 3: Cross multiply
    8,220.38x = 12,333 × 2,377.04
  4. Step 4: Simplify right side
    8,220.38x = 29,316,034.32
  5. Step 5: Solve for x
    x = 29,316,034.32/8,220.38
  6. Step 6: Final answer
    x = 3,566.26

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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.