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Finding the Fourth Proportional to 5,368.53, 8,049.60 and 2,078.90

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Solution

The fourth proportional to 5,368.53, 8,049.60 and 2,078.90 is: 3,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.53 : 8,049.60 = 2,078.90 : x
  2. Step 2: Convert to fraction form
    5,368.53/8,049.60 = 2,078.90/x
  3. Step 3: Cross multiply
    5,368.53x = 8,049.60 × 2,078.90
  4. Step 4: Simplify right side
    5,368.53x = 16,734,273.19
  5. Step 5: Solve for x
    x = 16,734,273.19/5,368.53
  6. Step 6: Final answer
    x = 3,117.11

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