Home / 4,144.26-6,215.15-1,221.86

Finding the Fourth Proportional to 4,144.26, 6,215.15 and 1,221.86

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Solution

The fourth proportional to 4,144.26, 6,215.15 and 1,221.86 is: 1,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.26 : 6,215.15 = 1,221.86 : x
  2. Step 2: Convert to fraction form
    4,144.26/6,215.15 = 1,221.86/x
  3. Step 3: Cross multiply
    4,144.26x = 6,215.15 × 1,221.86
  4. Step 4: Simplify right side
    4,144.26x = 7,594,043.18
  5. Step 5: Solve for x
    x = 7,594,043.18/4,144.26
  6. Step 6: Final answer
    x = 1,832.42

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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.