Home / 7,183.68-10,766.56-2,561.60

Finding the Fourth Proportional to 7,183.68, 10,766.56 and 2,561.60

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Solution

The fourth proportional to 7,183.68, 10,766.56 and 2,561.60 is: 3,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.68 : 10,766.56 = 2,561.60 : x
  2. Step 2: Convert to fraction form
    7,183.68/10,766.56 = 2,561.60/x
  3. Step 3: Cross multiply
    7,183.68x = 10,766.56 × 2,561.60
  4. Step 4: Simplify right side
    7,183.68x = 27,579,620.10
  5. Step 5: Solve for x
    x = 27,579,620.10/7,183.68
  6. Step 6: Final answer
    x = 3,839.20

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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.