Home / 6,128.35-9,192.33-3,646.55

Finding the Fourth Proportional to 6,128.35, 9,192.33 and 3,646.55

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Solution

The fourth proportional to 6,128.35, 9,192.33 and 3,646.55 is: 5,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.35 : 9,192.33 = 3,646.55 : x
  2. Step 2: Convert to fraction form
    6,128.35/9,192.33 = 3,646.55/x
  3. Step 3: Cross multiply
    6,128.35x = 9,192.33 × 3,646.55
  4. Step 4: Simplify right side
    6,128.35x = 33,520,290.96
  5. Step 5: Solve for x
    x = 33,520,290.96/6,128.35
  6. Step 6: Final answer
    x = 5,469.71

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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.