Home / 4,101.24-6,150.90-3,991.80

Finding the Fourth Proportional to 4,101.24, 6,150.90 and 3,991.80

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Solution

The fourth proportional to 4,101.24, 6,150.90 and 3,991.80 is: 5,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.24 : 6,150.90 = 3,991.80 : x
  2. Step 2: Convert to fraction form
    4,101.24/6,150.90 = 3,991.80/x
  3. Step 3: Cross multiply
    4,101.24x = 6,150.90 × 3,991.80
  4. Step 4: Simplify right side
    4,101.24x = 24,553,162.62
  5. Step 5: Solve for x
    x = 24,553,162.62/4,101.24
  6. Step 6: Final answer
    x = 5,986.77

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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.