Home / 8,819.73-13,231.55-2,976.19

Finding the Fourth Proportional to 8,819.73, 13,231.55 and 2,976.19

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Solution

The fourth proportional to 8,819.73, 13,231.55 and 2,976.19 is: 4,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.73 : 13,231.55 = 2,976.19 : x
  2. Step 2: Convert to fraction form
    8,819.73/13,231.55 = 2,976.19/x
  3. Step 3: Cross multiply
    8,819.73x = 13,231.55 × 2,976.19
  4. Step 4: Simplify right side
    8,819.73x = 39,379,581.16
  5. Step 5: Solve for x
    x = 39,379,581.16/8,819.73
  6. Step 6: Final answer
    x = 4,464.94

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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.