Home / 5,279.05-7,912.54-2,501.79

Finding the Fourth Proportional to 5,279.05, 7,912.54 and 2,501.79

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Solution

The fourth proportional to 5,279.05, 7,912.54 and 2,501.79 is: 3,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.05 : 7,912.54 = 2,501.79 : x
  2. Step 2: Convert to fraction form
    5,279.05/7,912.54 = 2,501.79/x
  3. Step 3: Cross multiply
    5,279.05x = 7,912.54 × 2,501.79
  4. Step 4: Simplify right side
    5,279.05x = 19,795,472.83
  5. Step 5: Solve for x
    x = 19,795,472.83/5,279.05
  6. Step 6: Final answer
    x = 3,749.82

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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.