Home / 4,928.80-7,393.20-2,459.92

Finding the Fourth Proportional to 4,928.80, 7,393.20 and 2,459.92

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Solution

The fourth proportional to 4,928.80, 7,393.20 and 2,459.92 is: 3,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.80 : 7,393.20 = 2,459.92 : x
  2. Step 2: Convert to fraction form
    4,928.80/7,393.20 = 2,459.92/x
  3. Step 3: Cross multiply
    4,928.80x = 7,393.20 × 2,459.92
  4. Step 4: Simplify right side
    4,928.80x = 18,186,680.54
  5. Step 5: Solve for x
    x = 18,186,680.54/4,928.80
  6. Step 6: Final answer
    x = 3,689.88

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