Home / 7,215.90-10,824.12-2,021.64

Finding the Fourth Proportional to 7,215.90, 10,824.12 and 2,021.64

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Solution

The fourth proportional to 7,215.90, 10,824.12 and 2,021.64 is: 3,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.90 : 10,824.12 = 2,021.64 : x
  2. Step 2: Convert to fraction form
    7,215.90/10,824.12 = 2,021.64/x
  3. Step 3: Cross multiply
    7,215.90x = 10,824.12 × 2,021.64
  4. Step 4: Simplify right side
    7,215.90x = 21,882,473.96
  5. Step 5: Solve for x
    x = 21,882,473.96/7,215.90
  6. Step 6: Final answer
    x = 3,032.54

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