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Finding the Fourth Proportional to 5,855.94, 8,787.35 and 2,160.75

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Solution

The fourth proportional to 5,855.94, 8,787.35 and 2,160.75 is: 3,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.94 : 8,787.35 = 2,160.75 : x
  2. Step 2: Convert to fraction form
    5,855.94/8,787.35 = 2,160.75/x
  3. Step 3: Cross multiply
    5,855.94x = 8,787.35 × 2,160.75
  4. Step 4: Simplify right side
    5,855.94x = 18,987,255.71
  5. Step 5: Solve for x
    x = 18,987,255.71/5,855.94
  6. Step 6: Final answer
    x = 3,242.39

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