Home / 6,514.30-8,991.20-4,241.61

Finding the Fourth Proportional to 6,514.30, 8,991.20 and 4,241.61

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Solution

The fourth proportional to 6,514.30, 8,991.20 and 4,241.61 is: 5,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.30 : 8,991.20 = 4,241.61 : x
  2. Step 2: Convert to fraction form
    6,514.30/8,991.20 = 4,241.61/x
  3. Step 3: Cross multiply
    6,514.30x = 8,991.20 × 4,241.61
  4. Step 4: Simplify right side
    6,514.30x = 38,137,163.83
  5. Step 5: Solve for x
    x = 38,137,163.83/6,514.30
  6. Step 6: Final answer
    x = 5,854.38

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Half scale
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Double scale
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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.