Home / 4,921.26-6,790.26-3,220.17

Finding the Fourth Proportional to 4,921.26, 6,790.26 and 3,220.17

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Solution

The fourth proportional to 4,921.26, 6,790.26 and 3,220.17 is: 4,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.26 : 6,790.26 = 3,220.17 : x
  2. Step 2: Convert to fraction form
    4,921.26/6,790.26 = 3,220.17/x
  3. Step 3: Cross multiply
    4,921.26x = 6,790.26 × 3,220.17
  4. Step 4: Simplify right side
    4,921.26x = 21,865,791.54
  5. Step 5: Solve for x
    x = 21,865,791.54/4,921.26
  6. Step 6: Final answer
    x = 4,443.13

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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.