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Finding the Fourth Proportional to 7,315.82, 10,964.92 and 4,197.98

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Solution

The fourth proportional to 7,315.82, 10,964.92 and 4,197.98 is: 6,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.82 : 10,964.92 = 4,197.98 : x
  2. Step 2: Convert to fraction form
    7,315.82/10,964.92 = 4,197.98/x
  3. Step 3: Cross multiply
    7,315.82x = 10,964.92 × 4,197.98
  4. Step 4: Simplify right side
    7,315.82x = 46,030,477.97
  5. Step 5: Solve for x
    x = 46,030,477.97/7,315.82
  6. Step 6: Final answer
    x = 6,291.91

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