Home / 5,813.87-8,022.96-3,161.21

Finding the Fourth Proportional to 5,813.87, 8,022.96 and 3,161.21

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Solution

The fourth proportional to 5,813.87, 8,022.96 and 3,161.21 is: 4,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.87 : 8,022.96 = 3,161.21 : x
  2. Step 2: Convert to fraction form
    5,813.87/8,022.96 = 3,161.21/x
  3. Step 3: Cross multiply
    5,813.87x = 8,022.96 × 3,161.21
  4. Step 4: Simplify right side
    5,813.87x = 25,362,221.27
  5. Step 5: Solve for x
    x = 25,362,221.27/5,813.87
  6. Step 6: Final answer
    x = 4,362.37

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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.