Home / 6,199.68-9,311.04-4,149.12

Finding the Fourth Proportional to 6,199.68, 9,311.04 and 4,149.12

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Solution

The fourth proportional to 6,199.68, 9,311.04 and 4,149.12 is: 6,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.68 : 9,311.04 = 4,149.12 : x
  2. Step 2: Convert to fraction form
    6,199.68/9,311.04 = 4,149.12/x
  3. Step 3: Cross multiply
    6,199.68x = 9,311.04 × 4,149.12
  4. Step 4: Simplify right side
    6,199.68x = 38,632,622.28
  5. Step 5: Solve for x
    x = 38,632,622.28/6,199.68
  6. Step 6: Final answer
    x = 6,231.39

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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.