Home / 4,086.50-6,129.72-3,266.36

Finding the Fourth Proportional to 4,086.50, 6,129.72 and 3,266.36

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Solution

The fourth proportional to 4,086.50, 6,129.72 and 3,266.36 is: 4,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.50 : 6,129.72 = 3,266.36 : x
  2. Step 2: Convert to fraction form
    4,086.50/6,129.72 = 3,266.36/x
  3. Step 3: Cross multiply
    4,086.50x = 6,129.72 × 3,266.36
  4. Step 4: Simplify right side
    4,086.50x = 20,021,872.22
  5. Step 5: Solve for x
    x = 20,021,872.22/4,086.50
  6. Step 6: Final answer
    x = 4,899.52

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Double scale
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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.