Home / 8,161.43-12,242.26-2,318.04

Finding the Fourth Proportional to 8,161.43, 12,242.26 and 2,318.04

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Solution

The fourth proportional to 8,161.43, 12,242.26 and 2,318.04 is: 3,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.43 : 12,242.26 = 2,318.04 : x
  2. Step 2: Convert to fraction form
    8,161.43/12,242.26 = 2,318.04/x
  3. Step 3: Cross multiply
    8,161.43x = 12,242.26 × 2,318.04
  4. Step 4: Simplify right side
    8,161.43x = 28,378,092.22
  5. Step 5: Solve for x
    x = 28,378,092.22/8,161.43
  6. Step 6: Final answer
    x = 3,477.10

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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.