Home / 4,126.09-6,221.49-3,781.64

Finding the Fourth Proportional to 4,126.09, 6,221.49 and 3,781.64

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Solution

The fourth proportional to 4,126.09, 6,221.49 and 3,781.64 is: 5,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.09 : 6,221.49 = 3,781.64 : x
  2. Step 2: Convert to fraction form
    4,126.09/6,221.49 = 3,781.64/x
  3. Step 3: Cross multiply
    4,126.09x = 6,221.49 × 3,781.64
  4. Step 4: Simplify right side
    4,126.09x = 23,527,435.44
  5. Step 5: Solve for x
    x = 23,527,435.44/4,126.09
  6. Step 6: Final answer
    x = 5,702.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.