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Finding the Fourth Proportional to 8,550.83, 12,823.16 and 3,620.81

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Solution

The fourth proportional to 8,550.83, 12,823.16 and 3,620.81 is: 5,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.83 : 12,823.16 = 3,620.81 : x
  2. Step 2: Convert to fraction form
    8,550.83/12,823.16 = 3,620.81/x
  3. Step 3: Cross multiply
    8,550.83x = 12,823.16 × 3,620.81
  4. Step 4: Simplify right side
    8,550.83x = 46,430,143.74
  5. Step 5: Solve for x
    x = 46,430,143.74/8,550.83
  6. Step 6: Final answer
    x = 5,429.90

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