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Finding the Fourth Proportional to 3,672.44, 5,497.78 and 3,623.84

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Solution

The fourth proportional to 3,672.44, 5,497.78 and 3,623.84 is: 5,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.44 : 5,497.78 = 3,623.84 : x
  2. Step 2: Convert to fraction form
    3,672.44/5,497.78 = 3,623.84/x
  3. Step 3: Cross multiply
    3,672.44x = 5,497.78 × 3,623.84
  4. Step 4: Simplify right side
    3,672.44x = 19,923,075.08
  5. Step 5: Solve for x
    x = 19,923,075.08/3,672.44
  6. Step 6: Final answer
    x = 5,425.02

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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.