Home / 7,928.82-11,886.21-2,998.62

Finding the Fourth Proportional to 7,928.82, 11,886.21 and 2,998.62

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Solution

The fourth proportional to 7,928.82, 11,886.21 and 2,998.62 is: 4,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.82 : 11,886.21 = 2,998.62 : x
  2. Step 2: Convert to fraction form
    7,928.82/11,886.21 = 2,998.62/x
  3. Step 3: Cross multiply
    7,928.82x = 11,886.21 × 2,998.62
  4. Step 4: Simplify right side
    7,928.82x = 35,642,227.03
  5. Step 5: Solve for x
    x = 35,642,227.03/7,928.82
  6. Step 6: Final answer
    x = 4,495.28

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