Home / 4,147.74-6,221.79-1,226.34

Finding the Fourth Proportional to 4,147.74, 6,221.79 and 1,226.34

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Solution

The fourth proportional to 4,147.74, 6,221.79 and 1,226.34 is: 1,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.74 : 6,221.79 = 1,226.34 : x
  2. Step 2: Convert to fraction form
    4,147.74/6,221.79 = 1,226.34/x
  3. Step 3: Cross multiply
    4,147.74x = 6,221.79 × 1,226.34
  4. Step 4: Simplify right side
    4,147.74x = 7,630,029.95
  5. Step 5: Solve for x
    x = 7,630,029.95/4,147.74
  6. Step 6: Final answer
    x = 1,839.56

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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.