Home / 7,163.31-10,749.22-3,876.33

Finding the Fourth Proportional to 7,163.31, 10,749.22 and 3,876.33

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Solution

The fourth proportional to 7,163.31, 10,749.22 and 3,876.33 is: 5,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.31 : 10,749.22 = 3,876.33 : x
  2. Step 2: Convert to fraction form
    7,163.31/10,749.22 = 3,876.33/x
  3. Step 3: Cross multiply
    7,163.31x = 10,749.22 × 3,876.33
  4. Step 4: Simplify right side
    7,163.31x = 41,667,523.96
  5. Step 5: Solve for x
    x = 41,667,523.96/7,163.31
  6. Step 6: Final answer
    x = 5,816.80

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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.