Home / 5,821.28-8,737.20-2,905.76

Finding the Fourth Proportional to 5,821.28, 8,737.20 and 2,905.76

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Solution

The fourth proportional to 5,821.28, 8,737.20 and 2,905.76 is: 4,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.28 : 8,737.20 = 2,905.76 : x
  2. Step 2: Convert to fraction form
    5,821.28/8,737.20 = 2,905.76/x
  3. Step 3: Cross multiply
    5,821.28x = 8,737.20 × 2,905.76
  4. Step 4: Simplify right side
    5,821.28x = 25,388,206.27
  5. Step 5: Solve for x
    x = 25,388,206.27/5,821.28
  6. Step 6: Final answer
    x = 4,361.28

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