Home / 4,195.63-6,288.20-2,221.71

Finding the Fourth Proportional to 4,195.63, 6,288.20 and 2,221.71

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Solution

The fourth proportional to 4,195.63, 6,288.20 and 2,221.71 is: 3,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.63 : 6,288.20 = 2,221.71 : x
  2. Step 2: Convert to fraction form
    4,195.63/6,288.20 = 2,221.71/x
  3. Step 3: Cross multiply
    4,195.63x = 6,288.20 × 2,221.71
  4. Step 4: Simplify right side
    4,195.63x = 13,970,562.38
  5. Step 5: Solve for x
    x = 13,970,562.38/4,195.63
  6. Step 6: Final answer
    x = 3,329.79

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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.