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Finding the Fourth Proportional to 8,136.48, 12,200.64 and 5,795.16

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Solution

The fourth proportional to 8,136.48, 12,200.64 and 5,795.16 is: 8,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.48 : 12,200.64 = 5,795.16 : x
  2. Step 2: Convert to fraction form
    8,136.48/12,200.64 = 5,795.16/x
  3. Step 3: Cross multiply
    8,136.48x = 12,200.64 × 5,795.16
  4. Step 4: Simplify right side
    8,136.48x = 70,704,660.90
  5. Step 5: Solve for x
    x = 70,704,660.90/8,136.48
  6. Step 6: Final answer
    x = 8,689.83

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