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Finding the Fourth Proportional to 7,162.95, 10,738.35 and 2,783.46

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Solution

The fourth proportional to 7,162.95, 10,738.35 and 2,783.46 is: 4,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.95 : 10,738.35 = 2,783.46 : x
  2. Step 2: Convert to fraction form
    7,162.95/10,738.35 = 2,783.46/x
  3. Step 3: Cross multiply
    7,162.95x = 10,738.35 × 2,783.46
  4. Step 4: Simplify right side
    7,162.95x = 29,889,767.69
  5. Step 5: Solve for x
    x = 29,889,767.69/7,162.95
  6. Step 6: Final answer
    x = 4,172.83

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