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Finding the Fourth Proportional to 5,728.23, 7,904.99 and 3,737.61

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Solution

The fourth proportional to 5,728.23, 7,904.99 and 3,737.61 is: 5,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.23 : 7,904.99 = 3,737.61 : x
  2. Step 2: Convert to fraction form
    5,728.23/7,904.99 = 3,737.61/x
  3. Step 3: Cross multiply
    5,728.23x = 7,904.99 × 3,737.61
  4. Step 4: Simplify right side
    5,728.23x = 29,545,750.99
  5. Step 5: Solve for x
    x = 29,545,750.99/5,728.23
  6. Step 6: Final answer
    x = 5,157.92

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