Home / 6,128.20-9,196.96-4,489.03

Finding the Fourth Proportional to 6,128.20, 9,196.96 and 4,489.03

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Solution

The fourth proportional to 6,128.20, 9,196.96 and 4,489.03 is: 6,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.20 : 9,196.96 = 4,489.03 : x
  2. Step 2: Convert to fraction form
    6,128.20/9,196.96 = 4,489.03/x
  3. Step 3: Cross multiply
    6,128.20x = 9,196.96 × 4,489.03
  4. Step 4: Simplify right side
    6,128.20x = 41,285,429.35
  5. Step 5: Solve for x
    x = 41,285,429.35/6,128.20
  6. Step 6: Final answer
    x = 6,736.96

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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.