Home / 8,140.82-12,211.29-2,297.48

Finding the Fourth Proportional to 8,140.82, 12,211.29 and 2,297.48

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Solution

The fourth proportional to 8,140.82, 12,211.29 and 2,297.48 is: 3,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.82 : 12,211.29 = 2,297.48 : x
  2. Step 2: Convert to fraction form
    8,140.82/12,211.29 = 2,297.48/x
  3. Step 3: Cross multiply
    8,140.82x = 12,211.29 × 2,297.48
  4. Step 4: Simplify right side
    8,140.82x = 28,055,133.49
  5. Step 5: Solve for x
    x = 28,055,133.49/8,140.82
  6. Step 6: Final answer
    x = 3,446.23

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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.