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Finding the Fourth Proportional to 5,261.65, 7,893.71 and 1,563.91

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Solution

The fourth proportional to 5,261.65, 7,893.71 and 1,563.91 is: 2,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.65 : 7,893.71 = 1,563.91 : x
  2. Step 2: Convert to fraction form
    5,261.65/7,893.71 = 1,563.91/x
  3. Step 3: Cross multiply
    5,261.65x = 7,893.71 × 1,563.91
  4. Step 4: Simplify right side
    5,261.65x = 12,345,052.01
  5. Step 5: Solve for x
    x = 12,345,052.01/5,261.65
  6. Step 6: Final answer
    x = 2,346.23

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