Home / 5,939.88-8,912.85-3,966.85

Finding the Fourth Proportional to 5,939.88, 8,912.85 and 3,966.85

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Solution

The fourth proportional to 5,939.88, 8,912.85 and 3,966.85 is: 5,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.88 : 8,912.85 = 3,966.85 : x
  2. Step 2: Convert to fraction form
    5,939.88/8,912.85 = 3,966.85/x
  3. Step 3: Cross multiply
    5,939.88x = 8,912.85 × 3,966.85
  4. Step 4: Simplify right side
    5,939.88x = 35,355,957.60
  5. Step 5: Solve for x
    x = 35,355,957.60/5,939.88
  6. Step 6: Final answer
    x = 5,952.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.