Home / 8,103.75-11,183.18-4,377.75

Finding the Fourth Proportional to 8,103.75, 11,183.18 and 4,377.75

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Solution

The fourth proportional to 8,103.75, 11,183.18 and 4,377.75 is: 6,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.75 : 11,183.18 = 4,377.75 : x
  2. Step 2: Convert to fraction form
    8,103.75/11,183.18 = 4,377.75/x
  3. Step 3: Cross multiply
    8,103.75x = 11,183.18 × 4,377.75
  4. Step 4: Simplify right side
    8,103.75x = 48,957,144.36
  5. Step 5: Solve for x
    x = 48,957,144.36/8,103.75
  6. Step 6: Final answer
    x = 6,041.30

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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.