Home / 8,104.11-11,183.67-4,378.11

Finding the Fourth Proportional to 8,104.11, 11,183.67 and 4,378.11

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Solution

The fourth proportional to 8,104.11, 11,183.67 and 4,378.11 is: 6,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.11 : 11,183.67 = 4,378.11 : x
  2. Step 2: Convert to fraction form
    8,104.11/11,183.67 = 4,378.11/x
  3. Step 3: Cross multiply
    8,104.11x = 11,183.67 × 4,378.11
  4. Step 4: Simplify right side
    8,104.11x = 48,963,337.46
  5. Step 5: Solve for x
    x = 48,963,337.46/8,104.11
  6. Step 6: Final answer
    x = 6,041.79

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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.