Home / 4,919.42-7,387.49-3,286.46

Finding the Fourth Proportional to 4,919.42, 7,387.49 and 3,286.46

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Solution

The fourth proportional to 4,919.42, 7,387.49 and 3,286.46 is: 4,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.42 : 7,387.49 = 3,286.46 : x
  2. Step 2: Convert to fraction form
    4,919.42/7,387.49 = 3,286.46/x
  3. Step 3: Cross multiply
    4,919.42x = 7,387.49 × 3,286.46
  4. Step 4: Simplify right side
    4,919.42x = 24,278,690.39
  5. Step 5: Solve for x
    x = 24,278,690.39/4,919.42
  6. Step 6: Final answer
    x = 4,935.27

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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.