Home / 7,212.90-10,819.62-2,018.64

Finding the Fourth Proportional to 7,212.90, 10,819.62 and 2,018.64

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Solution

The fourth proportional to 7,212.90, 10,819.62 and 2,018.64 is: 3,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.90 : 10,819.62 = 2,018.64 : x
  2. Step 2: Convert to fraction form
    7,212.90/10,819.62 = 2,018.64/x
  3. Step 3: Cross multiply
    7,212.90x = 10,819.62 × 2,018.64
  4. Step 4: Simplify right side
    7,212.90x = 21,840,917.72
  5. Step 5: Solve for x
    x = 21,840,917.72/7,212.90
  6. Step 6: Final answer
    x = 3,028.04

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