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Finding the Fourth Proportional to 7,347.72, 11,011.82 and 3,443.92

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Solution

The fourth proportional to 7,347.72, 11,011.82 and 3,443.92 is: 5,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.72 : 11,011.82 = 3,443.92 : x
  2. Step 2: Convert to fraction form
    7,347.72/11,011.82 = 3,443.92/x
  3. Step 3: Cross multiply
    7,347.72x = 11,011.82 × 3,443.92
  4. Step 4: Simplify right side
    7,347.72x = 37,923,827.13
  5. Step 5: Solve for x
    x = 37,923,827.13/7,347.72
  6. Step 6: Final answer
    x = 5,161.31

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