Home / 4,086.25-6,129.39-1,008.25

Finding the Fourth Proportional to 4,086.25, 6,129.39 and 1,008.25

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Solution

The fourth proportional to 4,086.25, 6,129.39 and 1,008.25 is: 1,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.25 : 6,129.39 = 1,008.25 : x
  2. Step 2: Convert to fraction form
    4,086.25/6,129.39 = 1,008.25/x
  3. Step 3: Cross multiply
    4,086.25x = 6,129.39 × 1,008.25
  4. Step 4: Simplify right side
    4,086.25x = 6,179,957.47
  5. Step 5: Solve for x
    x = 6,179,957.47/4,086.25
  6. Step 6: Final answer
    x = 1,512.38

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Similar ratio
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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.