Home / 6,175.31-8,519.63-3,936.66

Finding the Fourth Proportional to 6,175.31, 8,519.63 and 3,936.66

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Solution

The fourth proportional to 6,175.31, 8,519.63 and 3,936.66 is: 5,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.31 : 8,519.63 = 3,936.66 : x
  2. Step 2: Convert to fraction form
    6,175.31/8,519.63 = 3,936.66/x
  3. Step 3: Cross multiply
    6,175.31x = 8,519.63 × 3,936.66
  4. Step 4: Simplify right side
    6,175.31x = 33,538,866.95
  5. Step 5: Solve for x
    x = 33,538,866.95/6,175.31
  6. Step 6: Final answer
    x = 5,431.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.