Home / 6,126.78-9,175.37-3,486.29

Finding the Fourth Proportional to 6,126.78, 9,175.37 and 3,486.29

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Solution

The fourth proportional to 6,126.78, 9,175.37 and 3,486.29 is: 5,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.78 : 9,175.37 = 3,486.29 : x
  2. Step 2: Convert to fraction form
    6,126.78/9,175.37 = 3,486.29/x
  3. Step 3: Cross multiply
    6,126.78x = 9,175.37 × 3,486.29
  4. Step 4: Simplify right side
    6,126.78x = 31,987,997.92
  5. Step 5: Solve for x
    x = 31,987,997.92/6,126.78
  6. Step 6: Final answer
    x = 5,221.01

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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.