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Finding the Fourth Proportional to 4,843.67, 7,265.13 and 2,757.12

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Solution

The fourth proportional to 4,843.67, 7,265.13 and 2,757.12 is: 4,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.67 : 7,265.13 = 2,757.12 : x
  2. Step 2: Convert to fraction form
    4,843.67/7,265.13 = 2,757.12/x
  3. Step 3: Cross multiply
    4,843.67x = 7,265.13 × 2,757.12
  4. Step 4: Simplify right side
    4,843.67x = 20,030,835.23
  5. Step 5: Solve for x
    x = 20,030,835.23/4,843.67
  6. Step 6: Final answer
    x = 4,135.47

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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.