Home / 5,511.31-7,606.62-3,274.42

Finding the Fourth Proportional to 5,511.31, 7,606.62 and 3,274.42

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Solution

The fourth proportional to 5,511.31, 7,606.62 and 3,274.42 is: 4,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.31 : 7,606.62 = 3,274.42 : x
  2. Step 2: Convert to fraction form
    5,511.31/7,606.62 = 3,274.42/x
  3. Step 3: Cross multiply
    5,511.31x = 7,606.62 × 3,274.42
  4. Step 4: Simplify right side
    5,511.31x = 24,907,268.66
  5. Step 5: Solve for x
    x = 24,907,268.66/5,511.31
  6. Step 6: Final answer
    x = 4,519.30

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Half scale
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Double scale
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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.