Home / 8,260.43-12,392.54-3,581.22

Finding the Fourth Proportional to 8,260.43, 12,392.54 and 3,581.22

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Solution

The fourth proportional to 8,260.43, 12,392.54 and 3,581.22 is: 5,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.43 : 12,392.54 = 3,581.22 : x
  2. Step 2: Convert to fraction form
    8,260.43/12,392.54 = 3,581.22/x
  3. Step 3: Cross multiply
    8,260.43x = 12,392.54 × 3,581.22
  4. Step 4: Simplify right side
    8,260.43x = 44,380,412.10
  5. Step 5: Solve for x
    x = 44,380,412.10/8,260.43
  6. Step 6: Final answer
    x = 5,372.65

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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.