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Finding the Fourth Proportional to 4,907.52, 7,341.03 and 3,149.82

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Solution

The fourth proportional to 4,907.52, 7,341.03 and 3,149.82 is: 4,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.52 : 7,341.03 = 3,149.82 : x
  2. Step 2: Convert to fraction form
    4,907.52/7,341.03 = 3,149.82/x
  3. Step 3: Cross multiply
    4,907.52x = 7,341.03 × 3,149.82
  4. Step 4: Simplify right side
    4,907.52x = 23,122,923.11
  5. Step 5: Solve for x
    x = 23,122,923.11/4,907.52
  6. Step 6: Final answer
    x = 4,711.73

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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.