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Finding the Fourth Proportional to 5,272.40, 7,908.60 and 4,964.60

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Solution

The fourth proportional to 5,272.40, 7,908.60 and 4,964.60 is: 7,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.40 : 7,908.60 = 4,964.60 : x
  2. Step 2: Convert to fraction form
    5,272.40/7,908.60 = 4,964.60/x
  3. Step 3: Cross multiply
    5,272.40x = 7,908.60 × 4,964.60
  4. Step 4: Simplify right side
    5,272.40x = 39,263,035.56
  5. Step 5: Solve for x
    x = 39,263,035.56/5,272.40
  6. Step 6: Final answer
    x = 7,446.90

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