Home / 4,183.75-6,278.51-1,447.75

Finding the Fourth Proportional to 4,183.75, 6,278.51 and 1,447.75

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Solution

The fourth proportional to 4,183.75, 6,278.51 and 1,447.75 is: 2,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.75 : 6,278.51 = 1,447.75 : x
  2. Step 2: Convert to fraction form
    4,183.75/6,278.51 = 1,447.75/x
  3. Step 3: Cross multiply
    4,183.75x = 6,278.51 × 1,447.75
  4. Step 4: Simplify right side
    4,183.75x = 9,089,712.85
  5. Step 5: Solve for x
    x = 9,089,712.85/4,183.75
  6. Step 6: Final answer
    x = 2,172.62

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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.