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Finding the Fourth Proportional to 4,754.76, 7,114.32 and 3,933.42

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Solution

The fourth proportional to 4,754.76, 7,114.32 and 3,933.42 is: 5,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.76 : 7,114.32 = 3,933.42 : x
  2. Step 2: Convert to fraction form
    4,754.76/7,114.32 = 3,933.42/x
  3. Step 3: Cross multiply
    4,754.76x = 7,114.32 × 3,933.42
  4. Step 4: Simplify right side
    4,754.76x = 27,983,608.57
  5. Step 5: Solve for x
    x = 27,983,608.57/4,754.76
  6. Step 6: Final answer
    x = 5,885.39

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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.