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Finding the Fourth Proportional to 4,571.44, 6,857.10 and 1,284.36

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Solution

The fourth proportional to 4,571.44, 6,857.10 and 1,284.36 is: 1,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.44 : 6,857.10 = 1,284.36 : x
  2. Step 2: Convert to fraction form
    4,571.44/6,857.10 = 1,284.36/x
  3. Step 3: Cross multiply
    4,571.44x = 6,857.10 × 1,284.36
  4. Step 4: Simplify right side
    4,571.44x = 8,806,984.96
  5. Step 5: Solve for x
    x = 8,806,984.96/4,571.44
  6. Step 6: Final answer
    x = 1,926.52

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