Home / 7,961.09-11,944.87-3,580.61

Finding the Fourth Proportional to 7,961.09, 11,944.87 and 3,580.61

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Solution

The fourth proportional to 7,961.09, 11,944.87 and 3,580.61 is: 5,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.09 : 11,944.87 = 3,580.61 : x
  2. Step 2: Convert to fraction form
    7,961.09/11,944.87 = 3,580.61/x
  3. Step 3: Cross multiply
    7,961.09x = 11,944.87 × 3,580.61
  4. Step 4: Simplify right side
    7,961.09x = 42,769,852.29
  5. Step 5: Solve for x
    x = 42,769,852.29/7,961.09
  6. Step 6: Final answer
    x = 5,372.36

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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.