Home / 8,261.06-12,391.31-2,021.09

Finding the Fourth Proportional to 8,261.06, 12,391.31 and 2,021.09

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Solution

The fourth proportional to 8,261.06, 12,391.31 and 2,021.09 is: 3,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.06 : 12,391.31 = 2,021.09 : x
  2. Step 2: Convert to fraction form
    8,261.06/12,391.31 = 2,021.09/x
  3. Step 3: Cross multiply
    8,261.06x = 12,391.31 × 2,021.09
  4. Step 4: Simplify right side
    8,261.06x = 25,043,895.82
  5. Step 5: Solve for x
    x = 25,043,895.82/8,261.06
  6. Step 6: Final answer
    x = 3,031.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.