Home / 7,823.82-11,727.72-3,440.46

Finding the Fourth Proportional to 7,823.82, 11,727.72 and 3,440.46

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Solution

The fourth proportional to 7,823.82, 11,727.72 and 3,440.46 is: 5,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.82 : 11,727.72 = 3,440.46 : x
  2. Step 2: Convert to fraction form
    7,823.82/11,727.72 = 3,440.46/x
  3. Step 3: Cross multiply
    7,823.82x = 11,727.72 × 3,440.46
  4. Step 4: Simplify right side
    7,823.82x = 40,348,751.55
  5. Step 5: Solve for x
    x = 40,348,751.55/7,823.82
  6. Step 6: Final answer
    x = 5,157.17

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