Home / 5,579.15-7,700.27-3,221.44

Finding the Fourth Proportional to 5,579.15, 7,700.27 and 3,221.44

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Solution

The fourth proportional to 5,579.15, 7,700.27 and 3,221.44 is: 4,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.15 : 7,700.27 = 3,221.44 : x
  2. Step 2: Convert to fraction form
    5,579.15/7,700.27 = 3,221.44/x
  3. Step 3: Cross multiply
    5,579.15x = 7,700.27 × 3,221.44
  4. Step 4: Simplify right side
    5,579.15x = 24,805,922.43
  5. Step 5: Solve for x
    x = 24,805,922.43/5,579.15
  6. Step 6: Final answer
    x = 4,446.19

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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.