Home / 6,408.29-8,843.49-3,613.79

Finding the Fourth Proportional to 6,408.29, 8,843.49 and 3,613.79

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Solution

The fourth proportional to 6,408.29, 8,843.49 and 3,613.79 is: 4,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.29 : 8,843.49 = 3,613.79 : x
  2. Step 2: Convert to fraction form
    6,408.29/8,843.49 = 3,613.79/x
  3. Step 3: Cross multiply
    6,408.29x = 8,843.49 × 3,613.79
  4. Step 4: Simplify right side
    6,408.29x = 31,958,537.84
  5. Step 5: Solve for x
    x = 31,958,537.84/6,408.29
  6. Step 6: Final answer
    x = 4,987.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.