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Finding the Fourth Proportional to 4,944.88, 7,410.01 and 2,750.59

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Solution

The fourth proportional to 4,944.88, 7,410.01 and 2,750.59 is: 4,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.88 : 7,410.01 = 2,750.59 : x
  2. Step 2: Convert to fraction form
    4,944.88/7,410.01 = 2,750.59/x
  3. Step 3: Cross multiply
    4,944.88x = 7,410.01 × 2,750.59
  4. Step 4: Simplify right side
    4,944.88x = 20,381,899.41
  5. Step 5: Solve for x
    x = 20,381,899.41/4,944.88
  6. Step 6: Final answer
    x = 4,121.82

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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.