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Finding the Fourth Proportional to 3,772.02, 5,627.03 and 3,220.71

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Solution

The fourth proportional to 3,772.02, 5,627.03 and 3,220.71 is: 4,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.02 : 5,627.03 = 3,220.71 : x
  2. Step 2: Convert to fraction form
    3,772.02/5,627.03 = 3,220.71/x
  3. Step 3: Cross multiply
    3,772.02x = 5,627.03 × 3,220.71
  4. Step 4: Simplify right side
    3,772.02x = 18,123,048.87
  5. Step 5: Solve for x
    x = 18,123,048.87/3,772.02
  6. Step 6: Final answer
    x = 4,804.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.