Home / 5,442.82-7,511.25-3,084.88

Finding the Fourth Proportional to 5,442.82, 7,511.25 and 3,084.88

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Solution

The fourth proportional to 5,442.82, 7,511.25 and 3,084.88 is: 4,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.82 : 7,511.25 = 3,084.88 : x
  2. Step 2: Convert to fraction form
    5,442.82/7,511.25 = 3,084.88/x
  3. Step 3: Cross multiply
    5,442.82x = 7,511.25 × 3,084.88
  4. Step 4: Simplify right side
    5,442.82x = 23,171,304.90
  5. Step 5: Solve for x
    x = 23,171,304.90/5,442.82
  6. Step 6: Final answer
    x = 4,257.22

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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.