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Finding the Fourth Proportional to 5,315.22, 7,974.05 and 2,028.24

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Solution

The fourth proportional to 5,315.22, 7,974.05 and 2,028.24 is: 3,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.22 : 7,974.05 = 2,028.24 : x
  2. Step 2: Convert to fraction form
    5,315.22/7,974.05 = 2,028.24/x
  3. Step 3: Cross multiply
    5,315.22x = 7,974.05 × 2,028.24
  4. Step 4: Simplify right side
    5,315.22x = 16,173,277.03
  5. Step 5: Solve for x
    x = 16,173,277.03/5,315.22
  6. Step 6: Final answer
    x = 3,042.82

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