Home / 9,105.41-13,661.40-3,183.17

Finding the Fourth Proportional to 9,105.41, 13,661.40 and 3,183.17

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Solution

The fourth proportional to 9,105.41, 13,661.40 and 3,183.17 is: 4,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.41 : 13,661.40 = 3,183.17 : x
  2. Step 2: Convert to fraction form
    9,105.41/13,661.40 = 3,183.17/x
  3. Step 3: Cross multiply
    9,105.41x = 13,661.40 × 3,183.17
  4. Step 4: Simplify right side
    9,105.41x = 43,486,490.33
  5. Step 5: Solve for x
    x = 43,486,490.33/9,105.41
  6. Step 6: Final answer
    x = 4,775.90

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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.