Home / 5,609.04-8,410.75-3,143.20

Finding the Fourth Proportional to 5,609.04, 8,410.75 and 3,143.20

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Solution

The fourth proportional to 5,609.04, 8,410.75 and 3,143.20 is: 4,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.04 : 8,410.75 = 3,143.20 : x
  2. Step 2: Convert to fraction form
    5,609.04/8,410.75 = 3,143.20/x
  3. Step 3: Cross multiply
    5,609.04x = 8,410.75 × 3,143.20
  4. Step 4: Simplify right side
    5,609.04x = 26,436,640.52
  5. Step 5: Solve for x
    x = 26,436,640.52/5,609.04
  6. Step 6: Final answer
    x = 4,713.22

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