Home / 5,813.72-8,022.94-3,161.12

Finding the Fourth Proportional to 5,813.72, 8,022.94 and 3,161.12

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Solution

The fourth proportional to 5,813.72, 8,022.94 and 3,161.12 is: 4,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.72 : 8,022.94 = 3,161.12 : x
  2. Step 2: Convert to fraction form
    5,813.72/8,022.94 = 3,161.12/x
  3. Step 3: Cross multiply
    5,813.72x = 8,022.94 × 3,161.12
  4. Step 4: Simplify right side
    5,813.72x = 25,361,476.09
  5. Step 5: Solve for x
    x = 25,361,476.09/5,813.72
  6. Step 6: Final answer
    x = 4,362.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.