Home / 4,514.40-6,231.60-3,520.80

Finding the Fourth Proportional to 4,514.40, 6,231.60 and 3,520.80

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Solution

The fourth proportional to 4,514.40, 6,231.60 and 3,520.80 is: 4,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514.40 : 6,231.60 = 3,520.80 : x
  2. Step 2: Convert to fraction form
    4,514.40/6,231.60 = 3,520.80/x
  3. Step 3: Cross multiply
    4,514.40x = 6,231.60 × 3,520.80
  4. Step 4: Simplify right side
    4,514.40x = 21,940,217.28
  5. Step 5: Solve for x
    x = 21,940,217.28/4,514.40
  6. Step 6: Final answer
    x = 4,860.05

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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.