Home / 4,944.57-7,408.76-2,990.85

Finding the Fourth Proportional to 4,944.57, 7,408.76 and 2,990.85

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Solution

The fourth proportional to 4,944.57, 7,408.76 and 2,990.85 is: 4,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.57 : 7,408.76 = 2,990.85 : x
  2. Step 2: Convert to fraction form
    4,944.57/7,408.76 = 2,990.85/x
  3. Step 3: Cross multiply
    4,944.57x = 7,408.76 × 2,990.85
  4. Step 4: Simplify right side
    4,944.57x = 22,158,474.89
  5. Step 5: Solve for x
    x = 22,158,474.89/4,944.57
  6. Step 6: Final answer
    x = 4,481.38

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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.