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Finding the Fourth Proportional to 7,048.05, 9,726.90 and 3,904.53

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Solution

The fourth proportional to 7,048.05, 9,726.90 and 3,904.53 is: 5,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.05 : 9,726.90 = 3,904.53 : x
  2. Step 2: Convert to fraction form
    7,048.05/9,726.90 = 3,904.53/x
  3. Step 3: Cross multiply
    7,048.05x = 9,726.90 × 3,904.53
  4. Step 4: Simplify right side
    7,048.05x = 37,978,904.70
  5. Step 5: Solve for x
    x = 37,978,904.70/7,048.05
  6. Step 6: Final answer
    x = 5,388.57

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