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Finding the Fourth Proportional to 7,205.28, 10,808.01 and 2,824.80

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Solution

The fourth proportional to 7,205.28, 10,808.01 and 2,824.80 is: 4,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.28 : 10,808.01 = 2,824.80 : x
  2. Step 2: Convert to fraction form
    7,205.28/10,808.01 = 2,824.80/x
  3. Step 3: Cross multiply
    7,205.28x = 10,808.01 × 2,824.80
  4. Step 4: Simplify right side
    7,205.28x = 30,530,466.65
  5. Step 5: Solve for x
    x = 30,530,466.65/7,205.28
  6. Step 6: Final answer
    x = 4,237.24

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