Home / 4,121.36-6,183.11-1,813.40

Finding the Fourth Proportional to 4,121.36, 6,183.11 and 1,813.40

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Solution

The fourth proportional to 4,121.36, 6,183.11 and 1,813.40 is: 2,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.36 : 6,183.11 = 1,813.40 : x
  2. Step 2: Convert to fraction form
    4,121.36/6,183.11 = 1,813.40/x
  3. Step 3: Cross multiply
    4,121.36x = 6,183.11 × 1,813.40
  4. Step 4: Simplify right side
    4,121.36x = 11,212,425.29
  5. Step 5: Solve for x
    x = 11,212,425.29/4,121.36
  6. Step 6: Final answer
    x = 2,720.57

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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.