Home / 7,480.08-11,205.74-4,183.18

Finding the Fourth Proportional to 7,480.08, 11,205.74 and 4,183.18

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Solution

The fourth proportional to 7,480.08, 11,205.74 and 4,183.18 is: 6,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.08 : 11,205.74 = 4,183.18 : x
  2. Step 2: Convert to fraction form
    7,480.08/11,205.74 = 4,183.18/x
  3. Step 3: Cross multiply
    7,480.08x = 11,205.74 × 4,183.18
  4. Step 4: Simplify right side
    7,480.08x = 46,875,609.90
  5. Step 5: Solve for x
    x = 46,875,609.90/7,480.08
  6. Step 6: Final answer
    x = 6,266.73

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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.