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Finding the Fourth Proportional to 7,175.25, 10,763.01 and 1,981.26

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Solution

The fourth proportional to 7,175.25, 10,763.01 and 1,981.26 is: 2,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.25 : 10,763.01 = 1,981.26 : x
  2. Step 2: Convert to fraction form
    7,175.25/10,763.01 = 1,981.26/x
  3. Step 3: Cross multiply
    7,175.25x = 10,763.01 × 1,981.26
  4. Step 4: Simplify right side
    7,175.25x = 21,324,321.19
  5. Step 5: Solve for x
    x = 21,324,321.19/7,175.25
  6. Step 6: Final answer
    x = 2,971.93

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