Home / 4,928.70-7,393.89-2,155.31

Finding the Fourth Proportional to 4,928.70, 7,393.89 and 2,155.31

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Solution

The fourth proportional to 4,928.70, 7,393.89 and 2,155.31 is: 3,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.70 : 7,393.89 = 2,155.31 : x
  2. Step 2: Convert to fraction form
    4,928.70/7,393.89 = 2,155.31/x
  3. Step 3: Cross multiply
    4,928.70x = 7,393.89 × 2,155.31
  4. Step 4: Simplify right side
    4,928.70x = 15,936,114.28
  5. Step 5: Solve for x
    x = 15,936,114.28/4,928.70
  6. Step 6: Final answer
    x = 3,233.33

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