Home / 5,441.70-8,157.15-2,514.90

Finding the Fourth Proportional to 5,441.70, 8,157.15 and 2,514.90

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Solution

The fourth proportional to 5,441.70, 8,157.15 and 2,514.90 is: 3,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.70 : 8,157.15 = 2,514.90 : x
  2. Step 2: Convert to fraction form
    5,441.70/8,157.15 = 2,514.90/x
  3. Step 3: Cross multiply
    5,441.70x = 8,157.15 × 2,514.90
  4. Step 4: Simplify right side
    5,441.70x = 20,514,416.54
  5. Step 5: Solve for x
    x = 20,514,416.54/5,441.70
  6. Step 6: Final answer
    x = 3,769.85

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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.