Home / 5,813.86-8,022.79-3,161.25

Finding the Fourth Proportional to 5,813.86, 8,022.79 and 3,161.25

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Solution

The fourth proportional to 5,813.86, 8,022.79 and 3,161.25 is: 4,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.86 : 8,022.79 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    5,813.86/8,022.79 = 3,161.25/x
  3. Step 3: Cross multiply
    5,813.86x = 8,022.79 × 3,161.25
  4. Step 4: Simplify right side
    5,813.86x = 25,362,044.89
  5. Step 5: Solve for x
    x = 25,362,044.89/5,813.86
  6. Step 6: Final answer
    x = 4,362.34

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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.