Home / 7,621.78-11,433.24-2,427.70

Finding the Fourth Proportional to 7,621.78, 11,433.24 and 2,427.70

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Solution

The fourth proportional to 7,621.78, 11,433.24 and 2,427.70 is: 3,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.78 : 11,433.24 = 2,427.70 : x
  2. Step 2: Convert to fraction form
    7,621.78/11,433.24 = 2,427.70/x
  3. Step 3: Cross multiply
    7,621.78x = 11,433.24 × 2,427.70
  4. Step 4: Simplify right side
    7,621.78x = 27,756,476.75
  5. Step 5: Solve for x
    x = 27,756,476.75/7,621.78
  6. Step 6: Final answer
    x = 3,641.73

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