Home / 7,146.77-10,721.19-2,216.81

Finding the Fourth Proportional to 7,146.77, 10,721.19 and 2,216.81

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Solution

The fourth proportional to 7,146.77, 10,721.19 and 2,216.81 is: 3,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.77 : 10,721.19 = 2,216.81 : x
  2. Step 2: Convert to fraction form
    7,146.77/10,721.19 = 2,216.81/x
  3. Step 3: Cross multiply
    7,146.77x = 10,721.19 × 2,216.81
  4. Step 4: Simplify right side
    7,146.77x = 23,766,841.20
  5. Step 5: Solve for x
    x = 23,766,841.20/7,146.77
  6. Step 6: Final answer
    x = 3,325.54

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