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Finding the Fourth Proportional to 5,721.78, 8,583.13 and 1,562.13

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Solution

The fourth proportional to 5,721.78, 8,583.13 and 1,562.13 is: 2,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.78 : 8,583.13 = 1,562.13 : x
  2. Step 2: Convert to fraction form
    5,721.78/8,583.13 = 1,562.13/x
  3. Step 3: Cross multiply
    5,721.78x = 8,583.13 × 1,562.13
  4. Step 4: Simplify right side
    5,721.78x = 13,407,964.87
  5. Step 5: Solve for x
    x = 13,407,964.87/5,721.78
  6. Step 6: Final answer
    x = 2,343.32

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