Home / 5,729.80-7,906.53-3,371.80

Finding the Fourth Proportional to 5,729.80, 7,906.53 and 3,371.80

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Solution

The fourth proportional to 5,729.80, 7,906.53 and 3,371.80 is: 4,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.80 : 7,906.53 = 3,371.80 : x
  2. Step 2: Convert to fraction form
    5,729.80/7,906.53 = 3,371.80/x
  3. Step 3: Cross multiply
    5,729.80x = 7,906.53 × 3,371.80
  4. Step 4: Simplify right side
    5,729.80x = 26,659,237.85
  5. Step 5: Solve for x
    x = 26,659,237.85/5,729.80
  6. Step 6: Final answer
    x = 4,652.73

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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.