Home / 8,371.82-12,559.64-2,825.03

Finding the Fourth Proportional to 8,371.82, 12,559.64 and 2,825.03

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Solution

The fourth proportional to 8,371.82, 12,559.64 and 2,825.03 is: 4,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.82 : 12,559.64 = 2,825.03 : x
  2. Step 2: Convert to fraction form
    8,371.82/12,559.64 = 2,825.03/x
  3. Step 3: Cross multiply
    8,371.82x = 12,559.64 × 2,825.03
  4. Step 4: Simplify right side
    8,371.82x = 35,481,282.87
  5. Step 5: Solve for x
    x = 35,481,282.87/8,371.82
  6. Step 6: Final answer
    x = 4,238.18

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Why These Related Problems?

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