Home / 4,139.26-5,711.79-3,355.18

Finding the Fourth Proportional to 4,139.26, 5,711.79 and 3,355.18

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Solution

The fourth proportional to 4,139.26, 5,711.79 and 3,355.18 is: 4,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.26 : 5,711.79 = 3,355.18 : x
  2. Step 2: Convert to fraction form
    4,139.26/5,711.79 = 3,355.18/x
  3. Step 3: Cross multiply
    4,139.26x = 5,711.79 × 3,355.18
  4. Step 4: Simplify right side
    4,139.26x = 19,164,083.57
  5. Step 5: Solve for x
    x = 19,164,083.57/4,139.26
  6. Step 6: Final answer
    x = 4,629.83

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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.