Home / 5,940.80-8,198.08-3,422.56

Finding the Fourth Proportional to 5,940.80, 8,198.08 and 3,422.56

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Solution

The fourth proportional to 5,940.80, 8,198.08 and 3,422.56 is: 4,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.80 : 8,198.08 = 3,422.56 : x
  2. Step 2: Convert to fraction form
    5,940.80/8,198.08 = 3,422.56/x
  3. Step 3: Cross multiply
    5,940.80x = 8,198.08 × 3,422.56
  4. Step 4: Simplify right side
    5,940.80x = 28,058,420.68
  5. Step 5: Solve for x
    x = 28,058,420.68/5,940.80
  6. Step 6: Final answer
    x = 4,723.00

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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.