Home / 6,408.25-8,843.39-3,613.93

Finding the Fourth Proportional to 6,408.25, 8,843.39 and 3,613.93

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Solution

The fourth proportional to 6,408.25, 8,843.39 and 3,613.93 is: 4,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.25 : 8,843.39 = 3,613.93 : x
  2. Step 2: Convert to fraction form
    6,408.25/8,843.39 = 3,613.93/x
  3. Step 3: Cross multiply
    6,408.25x = 8,843.39 × 3,613.93
  4. Step 4: Simplify right side
    6,408.25x = 31,959,374.35
  5. Step 5: Solve for x
    x = 31,959,374.35/6,408.25
  6. Step 6: Final answer
    x = 4,987.22

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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.