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Finding the Fourth Proportional to 5,448.56, 8,167.91 and 1,985.00

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Solution

The fourth proportional to 5,448.56, 8,167.91 and 1,985.00 is: 2,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.56 : 8,167.91 = 1,985.00 : x
  2. Step 2: Convert to fraction form
    5,448.56/8,167.91 = 1,985.00/x
  3. Step 3: Cross multiply
    5,448.56x = 8,167.91 × 1,985.00
  4. Step 4: Simplify right side
    5,448.56x = 16,213,250.59
  5. Step 5: Solve for x
    x = 16,213,250.59/5,448.56
  6. Step 6: Final answer
    x = 2,975.70

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