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Finding the Fourth Proportional to 7,247.76, 10,000.31 and 4,103.75

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Solution

The fourth proportional to 7,247.76, 10,000.31 and 4,103.75 is: 5,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.76 : 10,000.31 = 4,103.75 : x
  2. Step 2: Convert to fraction form
    7,247.76/10,000.31 = 4,103.75/x
  3. Step 3: Cross multiply
    7,247.76x = 10,000.31 × 4,103.75
  4. Step 4: Simplify right side
    7,247.76x = 41,038,701.64
  5. Step 5: Solve for x
    x = 41,038,701.64/7,247.76
  6. Step 6: Final answer
    x = 5,662.26

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