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Finding the Fourth Proportional to 3,728.70, 5,593.05 and 3,625.02

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Solution

The fourth proportional to 3,728.70, 5,593.05 and 3,625.02 is: 5,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.70 : 5,593.05 = 3,625.02 : x
  2. Step 2: Convert to fraction form
    3,728.70/5,593.05 = 3,625.02/x
  3. Step 3: Cross multiply
    3,728.70x = 5,593.05 × 3,625.02
  4. Step 4: Simplify right side
    3,728.70x = 20,274,918.11
  5. Step 5: Solve for x
    x = 20,274,918.11/3,728.70
  6. Step 6: Final answer
    x = 5,437.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.