Home / 5,441.80-8,163.48-2,520.88

Finding the Fourth Proportional to 5,441.80, 8,163.48 and 2,520.88

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Solution

The fourth proportional to 5,441.80, 8,163.48 and 2,520.88 is: 3,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.80 : 8,163.48 = 2,520.88 : x
  2. Step 2: Convert to fraction form
    5,441.80/8,163.48 = 2,520.88/x
  3. Step 3: Cross multiply
    5,441.80x = 8,163.48 × 2,520.88
  4. Step 4: Simplify right side
    5,441.80x = 20,579,153.46
  5. Step 5: Solve for x
    x = 20,579,153.46/5,441.80
  6. Step 6: Final answer
    x = 3,781.68

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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.