Home / 3,676.40-5,514.60-3,627.80

Finding the Fourth Proportional to 3,676.40, 5,514.60 and 3,627.80

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Solution

The fourth proportional to 3,676.40, 5,514.60 and 3,627.80 is: 5,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.40 : 5,514.60 = 3,627.80 : x
  2. Step 2: Convert to fraction form
    3,676.40/5,514.60 = 3,627.80/x
  3. Step 3: Cross multiply
    3,676.40x = 5,514.60 × 3,627.80
  4. Step 4: Simplify right side
    3,676.40x = 20,005,865.88
  5. Step 5: Solve for x
    x = 20,005,865.88/3,676.40
  6. Step 6: Final answer
    x = 5,441.70

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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.