Home / 4,086.21-6,126.68-1,747.74

Finding the Fourth Proportional to 4,086.21, 6,126.68 and 1,747.74

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Solution

The fourth proportional to 4,086.21, 6,126.68 and 1,747.74 is: 2,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.21 : 6,126.68 = 1,747.74 : x
  2. Step 2: Convert to fraction form
    4,086.21/6,126.68 = 1,747.74/x
  3. Step 3: Cross multiply
    4,086.21x = 6,126.68 × 1,747.74
  4. Step 4: Simplify right side
    4,086.21x = 10,707,871.05
  5. Step 5: Solve for x
    x = 10,707,871.05/4,086.21
  6. Step 6: Final answer
    x = 2,620.49

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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.