Home / 8,127.76-11,216.30-4,401.76

Finding the Fourth Proportional to 8,127.76, 11,216.30 and 4,401.76

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Solution

The fourth proportional to 8,127.76, 11,216.30 and 4,401.76 is: 6,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.76 : 11,216.30 = 4,401.76 : x
  2. Step 2: Convert to fraction form
    8,127.76/11,216.30 = 4,401.76/x
  3. Step 3: Cross multiply
    8,127.76x = 11,216.30 × 4,401.76
  4. Step 4: Simplify right side
    8,127.76x = 49,371,460.69
  5. Step 5: Solve for x
    x = 49,371,460.69/8,127.76
  6. Step 6: Final answer
    x = 6,074.42

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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.