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Finding the Fourth Proportional to 3,993.09, 6,019.54 and 3,725.47

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Solution

The fourth proportional to 3,993.09, 6,019.54 and 3,725.47 is: 5,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.09 : 6,019.54 = 3,725.47 : x
  2. Step 2: Convert to fraction form
    3,993.09/6,019.54 = 3,725.47/x
  3. Step 3: Cross multiply
    3,993.09x = 6,019.54 × 3,725.47
  4. Step 4: Simplify right side
    3,993.09x = 22,425,615.68
  5. Step 5: Solve for x
    x = 22,425,615.68/3,993.09
  6. Step 6: Final answer
    x = 5,616.11

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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.