Home / 4,939.75-7,408.26-2,439.74

Finding the Fourth Proportional to 4,939.75, 7,408.26 and 2,439.74

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Solution

The fourth proportional to 4,939.75, 7,408.26 and 2,439.74 is: 3,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.75 : 7,408.26 = 2,439.74 : x
  2. Step 2: Convert to fraction form
    4,939.75/7,408.26 = 2,439.74/x
  3. Step 3: Cross multiply
    4,939.75x = 7,408.26 × 2,439.74
  4. Step 4: Simplify right side
    4,939.75x = 18,074,205.10
  5. Step 5: Solve for x
    x = 18,074,205.10/4,939.75
  6. Step 6: Final answer
    x = 3,658.93

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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.