Home / 5,183.42-7,775.38-1,486.20

Finding the Fourth Proportional to 5,183.42, 7,775.38 and 1,486.20

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Solution

The fourth proportional to 5,183.42, 7,775.38 and 1,486.20 is: 2,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.42 : 7,775.38 = 1,486.20 : x
  2. Step 2: Convert to fraction form
    5,183.42/7,775.38 = 1,486.20/x
  3. Step 3: Cross multiply
    5,183.42x = 7,775.38 × 1,486.20
  4. Step 4: Simplify right side
    5,183.42x = 11,555,769.76
  5. Step 5: Solve for x
    x = 11,555,769.76/5,183.42
  6. Step 6: Final answer
    x = 2,229.37

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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.