Home / 7,072.04-10,608.60-2,142.08

Finding the Fourth Proportional to 7,072.04, 10,608.60 and 2,142.08

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Solution

The fourth proportional to 7,072.04, 10,608.60 and 2,142.08 is: 3,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.04 : 10,608.60 = 2,142.08 : x
  2. Step 2: Convert to fraction form
    7,072.04/10,608.60 = 2,142.08/x
  3. Step 3: Cross multiply
    7,072.04x = 10,608.60 × 2,142.08
  4. Step 4: Simplify right side
    7,072.04x = 22,724,416.85
  5. Step 5: Solve for x
    x = 22,724,416.85/7,072.04
  6. Step 6: Final answer
    x = 3,213.28

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