Home / 7,822.23-11,733.38-1,978.84

Finding the Fourth Proportional to 7,822.23, 11,733.38 and 1,978.84

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Solution

The fourth proportional to 7,822.23, 11,733.38 and 1,978.84 is: 2,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.23 : 11,733.38 = 1,978.84 : x
  2. Step 2: Convert to fraction form
    7,822.23/11,733.38 = 1,978.84/x
  3. Step 3: Cross multiply
    7,822.23x = 11,733.38 × 1,978.84
  4. Step 4: Simplify right side
    7,822.23x = 23,218,493.87
  5. Step 5: Solve for x
    x = 23,218,493.87/7,822.23
  6. Step 6: Final answer
    x = 2,968.27

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