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Finding the Fourth Proportional to 6,913.84, 10,375.12 and 3,629.28

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Solution

The fourth proportional to 6,913.84, 10,375.12 and 3,629.28 is: 5,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.84 : 10,375.12 = 3,629.28 : x
  2. Step 2: Convert to fraction form
    6,913.84/10,375.12 = 3,629.28/x
  3. Step 3: Cross multiply
    6,913.84x = 10,375.12 × 3,629.28
  4. Step 4: Simplify right side
    6,913.84x = 37,654,215.51
  5. Step 5: Solve for x
    x = 37,654,215.51/6,913.84
  6. Step 6: Final answer
    x = 5,446.21

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