Home / 8,623.53-11,900.61-4,847.49

Finding the Fourth Proportional to 8,623.53, 11,900.61 and 4,847.49

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Solution

The fourth proportional to 8,623.53, 11,900.61 and 4,847.49 is: 6,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.53 : 11,900.61 = 4,847.49 : x
  2. Step 2: Convert to fraction form
    8,623.53/11,900.61 = 4,847.49/x
  3. Step 3: Cross multiply
    8,623.53x = 11,900.61 × 4,847.49
  4. Step 4: Simplify right side
    8,623.53x = 57,688,087.97
  5. Step 5: Solve for x
    x = 57,688,087.97/8,623.53
  6. Step 6: Final answer
    x = 6,689.61

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