Home / 6,788.80-10,183.74-3,091.15

Finding the Fourth Proportional to 6,788.80, 10,183.74 and 3,091.15

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Solution

The fourth proportional to 6,788.80, 10,183.74 and 3,091.15 is: 4,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.80 : 10,183.74 = 3,091.15 : x
  2. Step 2: Convert to fraction form
    6,788.80/10,183.74 = 3,091.15/x
  3. Step 3: Cross multiply
    6,788.80x = 10,183.74 × 3,091.15
  4. Step 4: Simplify right side
    6,788.80x = 31,479,467.90
  5. Step 5: Solve for x
    x = 31,479,467.90/6,788.80
  6. Step 6: Final answer
    x = 4,636.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.