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Finding the Fourth Proportional to 7,816.76, 10,786.84 and 4,460.64

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Solution

The fourth proportional to 7,816.76, 10,786.84 and 4,460.64 is: 6,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.76 : 10,786.84 = 4,460.64 : x
  2. Step 2: Convert to fraction form
    7,816.76/10,786.84 = 4,460.64/x
  3. Step 3: Cross multiply
    7,816.76x = 10,786.84 × 4,460.64
  4. Step 4: Simplify right side
    7,816.76x = 48,116,209.98
  5. Step 5: Solve for x
    x = 48,116,209.98/7,816.76
  6. Step 6: Final answer
    x = 6,155.52

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