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Finding the Fourth Proportional to 7,998.44, 11,999.10 and 3,617.96

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Solution

The fourth proportional to 7,998.44, 11,999.10 and 3,617.96 is: 5,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.44 : 11,999.10 = 3,617.96 : x
  2. Step 2: Convert to fraction form
    7,998.44/11,999.10 = 3,617.96/x
  3. Step 3: Cross multiply
    7,998.44x = 11,999.10 × 3,617.96
  4. Step 4: Simplify right side
    7,998.44x = 43,412,263.84
  5. Step 5: Solve for x
    x = 43,412,263.84/7,998.44
  6. Step 6: Final answer
    x = 5,427.59

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