Home / 7,860.43-11,789.75-2,930.23

Finding the Fourth Proportional to 7,860.43, 11,789.75 and 2,930.23

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Solution

The fourth proportional to 7,860.43, 11,789.75 and 2,930.23 is: 4,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.43 : 11,789.75 = 2,930.23 : x
  2. Step 2: Convert to fraction form
    7,860.43/11,789.75 = 2,930.23/x
  3. Step 3: Cross multiply
    7,860.43x = 11,789.75 × 2,930.23
  4. Step 4: Simplify right side
    7,860.43x = 34,546,684.72
  5. Step 5: Solve for x
    x = 34,546,684.72/7,860.43
  6. Step 6: Final answer
    x = 4,395.01

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