Home / 8,127.56-11,215.92-4,401.56

Finding the Fourth Proportional to 8,127.56, 11,215.92 and 4,401.56

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Solution

The fourth proportional to 8,127.56, 11,215.92 and 4,401.56 is: 6,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.56 : 11,215.92 = 4,401.56 : x
  2. Step 2: Convert to fraction form
    8,127.56/11,215.92 = 4,401.56/x
  3. Step 3: Cross multiply
    8,127.56x = 11,215.92 × 4,401.56
  4. Step 4: Simplify right side
    8,127.56x = 49,367,544.84
  5. Step 5: Solve for x
    x = 49,367,544.84/8,127.56
  6. Step 6: Final answer
    x = 6,074.09

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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.