Home / 7,647.18-11,474.01-4,180.38

Finding the Fourth Proportional to 7,647.18, 11,474.01 and 4,180.38

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Solution

The fourth proportional to 7,647.18, 11,474.01 and 4,180.38 is: 6,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.18 : 11,474.01 = 4,180.38 : x
  2. Step 2: Convert to fraction form
    7,647.18/11,474.01 = 4,180.38/x
  3. Step 3: Cross multiply
    7,647.18x = 11,474.01 × 4,180.38
  4. Step 4: Simplify right side
    7,647.18x = 47,965,721.92
  5. Step 5: Solve for x
    x = 47,965,721.92/7,647.18
  6. Step 6: Final answer
    x = 6,272.34

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