Home / 6,120.21-9,183.78-2,609.85

Finding the Fourth Proportional to 6,120.21, 9,183.78 and 2,609.85

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Solution

The fourth proportional to 6,120.21, 9,183.78 and 2,609.85 is: 3,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.21 : 9,183.78 = 2,609.85 : x
  2. Step 2: Convert to fraction form
    6,120.21/9,183.78 = 2,609.85/x
  3. Step 3: Cross multiply
    6,120.21x = 9,183.78 × 2,609.85
  4. Step 4: Simplify right side
    6,120.21x = 23,968,288.23
  5. Step 5: Solve for x
    x = 23,968,288.23/6,120.21
  6. Step 6: Final answer
    x = 3,916.25

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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.