Home / 4,183.98-6,276.54-1,261.80

Finding the Fourth Proportional to 4,183.98, 6,276.54 and 1,261.80

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Solution

The fourth proportional to 4,183.98, 6,276.54 and 1,261.80 is: 1,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.98 : 6,276.54 = 1,261.80 : x
  2. Step 2: Convert to fraction form
    4,183.98/6,276.54 = 1,261.80/x
  3. Step 3: Cross multiply
    4,183.98x = 6,276.54 × 1,261.80
  4. Step 4: Simplify right side
    4,183.98x = 7,919,738.17
  5. Step 5: Solve for x
    x = 7,919,738.17/4,183.98
  6. Step 6: Final answer
    x = 1,892.87

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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.