Home / 4,212.47-6,321.44-2,134.22

Finding the Fourth Proportional to 4,212.47, 6,321.44 and 2,134.22

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Solution

The fourth proportional to 4,212.47, 6,321.44 and 2,134.22 is: 3,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.47 : 6,321.44 = 2,134.22 : x
  2. Step 2: Convert to fraction form
    4,212.47/6,321.44 = 2,134.22/x
  3. Step 3: Cross multiply
    4,212.47x = 6,321.44 × 2,134.22
  4. Step 4: Simplify right side
    4,212.47x = 13,491,317.41
  5. Step 5: Solve for x
    x = 13,491,317.41/4,212.47
  6. Step 6: Final answer
    x = 3,202.71

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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.