Home / 4,939.26-7,408.87-1,651.60

Finding the Fourth Proportional to 4,939.26, 7,408.87 and 1,651.60

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Solution

The fourth proportional to 4,939.26, 7,408.87 and 1,651.60 is: 2,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.26 : 7,408.87 = 1,651.60 : x
  2. Step 2: Convert to fraction form
    4,939.26/7,408.87 = 1,651.60/x
  3. Step 3: Cross multiply
    4,939.26x = 7,408.87 × 1,651.60
  4. Step 4: Simplify right side
    4,939.26x = 12,236,489.69
  5. Step 5: Solve for x
    x = 12,236,489.69/4,939.26
  6. Step 6: Final answer
    x = 2,477.39

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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.