Home / 7,944.03-11,917.34-2,679.54

Finding the Fourth Proportional to 7,944.03, 11,917.34 and 2,679.54

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Solution

The fourth proportional to 7,944.03, 11,917.34 and 2,679.54 is: 4,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.03 : 11,917.34 = 2,679.54 : x
  2. Step 2: Convert to fraction form
    7,944.03/11,917.34 = 2,679.54/x
  3. Step 3: Cross multiply
    7,944.03x = 11,917.34 × 2,679.54
  4. Step 4: Simplify right side
    7,944.03x = 31,932,989.22
  5. Step 5: Solve for x
    x = 31,932,989.22/7,944.03
  6. Step 6: Final answer
    x = 4,019.75

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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.