Home / 8,183.68-12,278.55-4,899.07

Finding the Fourth Proportional to 8,183.68, 12,278.55 and 4,899.07

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Solution

The fourth proportional to 8,183.68, 12,278.55 and 4,899.07 is: 7,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.68 : 12,278.55 = 4,899.07 : x
  2. Step 2: Convert to fraction form
    8,183.68/12,278.55 = 4,899.07/x
  3. Step 3: Cross multiply
    8,183.68x = 12,278.55 × 4,899.07
  4. Step 4: Simplify right side
    8,183.68x = 60,153,475.95
  5. Step 5: Solve for x
    x = 60,153,475.95/8,183.68
  6. Step 6: Final answer
    x = 7,350.42

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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.