Home / 7,945.92-11,924.28-2,751.75

Finding the Fourth Proportional to 7,945.92, 11,924.28 and 2,751.75

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Solution

The fourth proportional to 7,945.92, 11,924.28 and 2,751.75 is: 4,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.92 : 11,924.28 = 2,751.75 : x
  2. Step 2: Convert to fraction form
    7,945.92/11,924.28 = 2,751.75/x
  3. Step 3: Cross multiply
    7,945.92x = 11,924.28 × 2,751.75
  4. Step 4: Simplify right side
    7,945.92x = 32,812,637.49
  5. Step 5: Solve for x
    x = 32,812,637.49/7,945.92
  6. Step 6: Final answer
    x = 4,129.50

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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.