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Finding the Fourth Proportional to 5,361.12, 7,398.36 and 2,971.16

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Solution

The fourth proportional to 5,361.12, 7,398.36 and 2,971.16 is: 4,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.12 : 7,398.36 = 2,971.16 : x
  2. Step 2: Convert to fraction form
    5,361.12/7,398.36 = 2,971.16/x
  3. Step 3: Cross multiply
    5,361.12x = 7,398.36 × 2,971.16
  4. Step 4: Simplify right side
    5,361.12x = 21,981,711.30
  5. Step 5: Solve for x
    x = 21,981,711.30/5,361.12
  6. Step 6: Final answer
    x = 4,100.21

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