Home / 6,216.74-8,579.67-3,422.42

Finding the Fourth Proportional to 6,216.74, 8,579.67 and 3,422.42

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Solution

The fourth proportional to 6,216.74, 8,579.67 and 3,422.42 is: 4,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.74 : 8,579.67 = 3,422.42 : x
  2. Step 2: Convert to fraction form
    6,216.74/8,579.67 = 3,422.42/x
  3. Step 3: Cross multiply
    6,216.74x = 8,579.67 × 3,422.42
  4. Step 4: Simplify right side
    6,216.74x = 29,363,234.20
  5. Step 5: Solve for x
    x = 29,363,234.20/6,216.74
  6. Step 6: Final answer
    x = 4,723.25

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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.