Home / 6,217.35-8,579.95-3,422.85

Finding the Fourth Proportional to 6,217.35, 8,579.95 and 3,422.85

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Solution

The fourth proportional to 6,217.35, 8,579.95 and 3,422.85 is: 4,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.35 : 8,579.95 = 3,422.85 : x
  2. Step 2: Convert to fraction form
    6,217.35/8,579.95 = 3,422.85/x
  3. Step 3: Cross multiply
    6,217.35x = 8,579.95 × 3,422.85
  4. Step 4: Simplify right side
    6,217.35x = 29,367,881.86
  5. Step 5: Solve for x
    x = 29,367,881.86/6,217.35
  6. Step 6: Final answer
    x = 4,723.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.