Home / 7,749.96-11,629.52-2,819.97

Finding the Fourth Proportional to 7,749.96, 11,629.52 and 2,819.97

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Solution

The fourth proportional to 7,749.96, 11,629.52 and 2,819.97 is: 4,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.96 : 11,629.52 = 2,819.97 : x
  2. Step 2: Convert to fraction form
    7,749.96/11,629.52 = 2,819.97/x
  3. Step 3: Cross multiply
    7,749.96x = 11,629.52 × 2,819.97
  4. Step 4: Simplify right side
    7,749.96x = 32,794,883.41
  5. Step 5: Solve for x
    x = 32,794,883.41/7,749.96
  6. Step 6: Final answer
    x = 4,231.62

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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.