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Finding the Fourth Proportional to 6,549, 9,037.62 and 3,605

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Solution

The fourth proportional to 6,549, 9,037.62 and 3,605 is: 4,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549 : 9,037.62 = 3,605 : x
  2. Step 2: Convert to fraction form
    6,549/9,037.62 = 3,605/x
  3. Step 3: Cross multiply
    6,549x = 9,037.62 × 3,605
  4. Step 4: Simplify right side
    6,549x = 32,580,620.10
  5. Step 5: Solve for x
    x = 32,580,620.10/6,549
  6. Step 6: Final answer
    x = 4,974.90

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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.