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Finding the Fourth Proportional to 7,216.92, 10,821.51 and 3,705.48

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Solution

The fourth proportional to 7,216.92, 10,821.51 and 3,705.48 is: 5,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.92 : 10,821.51 = 3,705.48 : x
  2. Step 2: Convert to fraction form
    7,216.92/10,821.51 = 3,705.48/x
  3. Step 3: Cross multiply
    7,216.92x = 10,821.51 × 3,705.48
  4. Step 4: Simplify right side
    7,216.92x = 40,098,888.87
  5. Step 5: Solve for x
    x = 40,098,888.87/7,216.92
  6. Step 6: Final answer
    x = 5,556.23

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