Home / 6,919.68-10,374.49-2,758.44

Finding the Fourth Proportional to 6,919.68, 10,374.49 and 2,758.44

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Solution

The fourth proportional to 6,919.68, 10,374.49 and 2,758.44 is: 4,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.68 : 10,374.49 = 2,758.44 : x
  2. Step 2: Convert to fraction form
    6,919.68/10,374.49 = 2,758.44/x
  3. Step 3: Cross multiply
    6,919.68x = 10,374.49 × 2,758.44
  4. Step 4: Simplify right side
    6,919.68x = 28,617,408.20
  5. Step 5: Solve for x
    x = 28,617,408.20/6,919.68
  6. Step 6: Final answer
    x = 4,135.65

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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.