Home / 8,127.82-11,216.44-4,401.82

Finding the Fourth Proportional to 8,127.82, 11,216.44 and 4,401.82

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Solution

The fourth proportional to 8,127.82, 11,216.44 and 4,401.82 is: 6,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.82 : 11,216.44 = 4,401.82 : x
  2. Step 2: Convert to fraction form
    8,127.82/11,216.44 = 4,401.82/x
  3. Step 3: Cross multiply
    8,127.82x = 11,216.44 × 4,401.82
  4. Step 4: Simplify right side
    8,127.82x = 49,372,749.92
  5. Step 5: Solve for x
    x = 49,372,749.92/8,127.82
  6. Step 6: Final answer
    x = 6,074.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.