Home / 4,147.64-6,221.52-1,226.24

Finding the Fourth Proportional to 4,147.64, 6,221.52 and 1,226.24

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Solution

The fourth proportional to 4,147.64, 6,221.52 and 1,226.24 is: 1,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.64 : 6,221.52 = 1,226.24 : x
  2. Step 2: Convert to fraction form
    4,147.64/6,221.52 = 1,226.24/x
  3. Step 3: Cross multiply
    4,147.64x = 6,221.52 × 1,226.24
  4. Step 4: Simplify right side
    4,147.64x = 7,629,076.68
  5. Step 5: Solve for x
    x = 7,629,076.68/4,147.64
  6. Step 6: Final answer
    x = 1,839.38

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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.