Home / 6,217.25-8,579.87-3,422.81

Finding the Fourth Proportional to 6,217.25, 8,579.87 and 3,422.81

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Solution

The fourth proportional to 6,217.25, 8,579.87 and 3,422.81 is: 4,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.25 : 8,579.87 = 3,422.81 : x
  2. Step 2: Convert to fraction form
    6,217.25/8,579.87 = 3,422.81/x
  3. Step 3: Cross multiply
    6,217.25x = 8,579.87 × 3,422.81
  4. Step 4: Simplify right side
    6,217.25x = 29,367,264.83
  5. Step 5: Solve for x
    x = 29,367,264.83/6,217.25
  6. Step 6: Final answer
    x = 4,723.51

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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.