Home / 5,939.21-8,196.09-3,581.48

Finding the Fourth Proportional to 5,939.21, 8,196.09 and 3,581.48

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Solution

The fourth proportional to 5,939.21, 8,196.09 and 3,581.48 is: 4,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.21 : 8,196.09 = 3,581.48 : x
  2. Step 2: Convert to fraction form
    5,939.21/8,196.09 = 3,581.48/x
  3. Step 3: Cross multiply
    5,939.21x = 8,196.09 × 3,581.48
  4. Step 4: Simplify right side
    5,939.21x = 29,354,132.41
  5. Step 5: Solve for x
    x = 29,354,132.41/5,939.21
  6. Step 6: Final answer
    x = 4,942.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.