Home / 5,919.78-8,882.79-2,798.19

Finding the Fourth Proportional to 5,919.78, 8,882.79 and 2,798.19

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Solution

The fourth proportional to 5,919.78, 8,882.79 and 2,798.19 is: 4,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.78 : 8,882.79 = 2,798.19 : x
  2. Step 2: Convert to fraction form
    5,919.78/8,882.79 = 2,798.19/x
  3. Step 3: Cross multiply
    5,919.78x = 8,882.79 × 2,798.19
  4. Step 4: Simplify right side
    5,919.78x = 24,855,734.15
  5. Step 5: Solve for x
    x = 24,855,734.15/5,919.78
  6. Step 6: Final answer
    x = 4,198.76

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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.