Home / 7,377.20-11,067.85-3,217.57

Finding the Fourth Proportional to 7,377.20, 11,067.85 and 3,217.57

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Solution

The fourth proportional to 7,377.20, 11,067.85 and 3,217.57 is: 4,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.20 : 11,067.85 = 3,217.57 : x
  2. Step 2: Convert to fraction form
    7,377.20/11,067.85 = 3,217.57/x
  3. Step 3: Cross multiply
    7,377.20x = 11,067.85 × 3,217.57
  4. Step 4: Simplify right side
    7,377.20x = 35,611,582.12
  5. Step 5: Solve for x
    x = 35,611,582.12/7,377.20
  6. Step 6: Final answer
    x = 4,827.25

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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.