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Finding the Fourth Proportional to 8,795.52, 12,145.86 and 5,657.16

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Solution

The fourth proportional to 8,795.52, 12,145.86 and 5,657.16 is: 7,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.52 : 12,145.86 = 5,657.16 : x
  2. Step 2: Convert to fraction form
    8,795.52/12,145.86 = 5,657.16/x
  3. Step 3: Cross multiply
    8,795.52x = 12,145.86 × 5,657.16
  4. Step 4: Simplify right side
    8,795.52x = 68,711,073.36
  5. Step 5: Solve for x
    x = 68,711,073.36/8,795.52
  6. Step 6: Final answer
    x = 7,812.05

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