Home / 4,129.70-6,191.69-2,183.27

Finding the Fourth Proportional to 4,129.70, 6,191.69 and 2,183.27

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Solution

The fourth proportional to 4,129.70, 6,191.69 and 2,183.27 is: 3,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.70 : 6,191.69 = 2,183.27 : x
  2. Step 2: Convert to fraction form
    4,129.70/6,191.69 = 2,183.27/x
  3. Step 3: Cross multiply
    4,129.70x = 6,191.69 × 2,183.27
  4. Step 4: Simplify right side
    4,129.70x = 13,518,089.15
  5. Step 5: Solve for x
    x = 13,518,089.15/4,129.70
  6. Step 6: Final answer
    x = 3,273.39

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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.