Home / 4,912.25-6,781.97-3,419.63

Finding the Fourth Proportional to 4,912.25, 6,781.97 and 3,419.63

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Solution

The fourth proportional to 4,912.25, 6,781.97 and 3,419.63 is: 4,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.25 : 6,781.97 = 3,419.63 : x
  2. Step 2: Convert to fraction form
    4,912.25/6,781.97 = 3,419.63/x
  3. Step 3: Cross multiply
    4,912.25x = 6,781.97 × 3,419.63
  4. Step 4: Simplify right side
    4,912.25x = 23,191,794.16
  5. Step 5: Solve for x
    x = 23,191,794.16/4,912.25
  6. Step 6: Final answer
    x = 4,721.22

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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.