Home / 3,964.40-5,946.60-3,273.20

Finding the Fourth Proportional to 3,964.40, 5,946.60 and 3,273.20

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Solution

The fourth proportional to 3,964.40, 5,946.60 and 3,273.20 is: 4,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.40 : 5,946.60 = 3,273.20 : x
  2. Step 2: Convert to fraction form
    3,964.40/5,946.60 = 3,273.20/x
  3. Step 3: Cross multiply
    3,964.40x = 5,946.60 × 3,273.20
  4. Step 4: Simplify right side
    3,964.40x = 19,464,411.12
  5. Step 5: Solve for x
    x = 19,464,411.12/3,964.40
  6. Step 6: Final answer
    x = 4,909.80

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