Home / 4,279.35-6,408.09-3,790.92

Finding the Fourth Proportional to 4,279.35, 6,408.09 and 3,790.92

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Solution

The fourth proportional to 4,279.35, 6,408.09 and 3,790.92 is: 5,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.35 : 6,408.09 = 3,790.92 : x
  2. Step 2: Convert to fraction form
    4,279.35/6,408.09 = 3,790.92/x
  3. Step 3: Cross multiply
    4,279.35x = 6,408.09 × 3,790.92
  4. Step 4: Simplify right side
    4,279.35x = 24,292,556.54
  5. Step 5: Solve for x
    x = 24,292,556.54/4,279.35
  6. Step 6: Final answer
    x = 5,676.69

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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.