Home / 7,944.69-11,917.83-2,749.89

Finding the Fourth Proportional to 7,944.69, 11,917.83 and 2,749.89

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Solution

The fourth proportional to 7,944.69, 11,917.83 and 2,749.89 is: 4,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.69 : 11,917.83 = 2,749.89 : x
  2. Step 2: Convert to fraction form
    7,944.69/11,917.83 = 2,749.89/x
  3. Step 3: Cross multiply
    7,944.69x = 11,917.83 × 2,749.89
  4. Step 4: Simplify right side
    7,944.69x = 32,772,721.54
  5. Step 5: Solve for x
    x = 32,772,721.54/7,944.69
  6. Step 6: Final answer
    x = 4,125.11

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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.