Home / 5,449.42-8,172.60-1,552.78

Finding the Fourth Proportional to 5,449.42, 8,172.60 and 1,552.78

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Solution

The fourth proportional to 5,449.42, 8,172.60 and 1,552.78 is: 2,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.42 : 8,172.60 = 1,552.78 : x
  2. Step 2: Convert to fraction form
    5,449.42/8,172.60 = 1,552.78/x
  3. Step 3: Cross multiply
    5,449.42x = 8,172.60 × 1,552.78
  4. Step 4: Simplify right side
    5,449.42x = 12,690,249.83
  5. Step 5: Solve for x
    x = 12,690,249.83/5,449.42
  6. Step 6: Final answer
    x = 2,328.73

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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.