Home / 7,018.27-9,680.87-4,183.83

Finding the Fourth Proportional to 7,018.27, 9,680.87 and 4,183.83

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Solution

The fourth proportional to 7,018.27, 9,680.87 and 4,183.83 is: 5,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.27 : 9,680.87 = 4,183.83 : x
  2. Step 2: Convert to fraction form
    7,018.27/9,680.87 = 4,183.83/x
  3. Step 3: Cross multiply
    7,018.27x = 9,680.87 × 4,183.83
  4. Step 4: Simplify right side
    7,018.27x = 40,503,124.79
  5. Step 5: Solve for x
    x = 40,503,124.79/7,018.27
  6. Step 6: Final answer
    x = 5,771.10

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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.