Home / 8,961.24-13,438.67-3,413.11

Finding the Fourth Proportional to 8,961.24, 13,438.67 and 3,413.11

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Solution

The fourth proportional to 8,961.24, 13,438.67 and 3,413.11 is: 5,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.24 : 13,438.67 = 3,413.11 : x
  2. Step 2: Convert to fraction form
    8,961.24/13,438.67 = 3,413.11/x
  3. Step 3: Cross multiply
    8,961.24x = 13,438.67 × 3,413.11
  4. Step 4: Simplify right side
    8,961.24x = 45,867,658.96
  5. Step 5: Solve for x
    x = 45,867,658.96/8,961.24
  6. Step 6: Final answer
    x = 5,118.45

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