Home / 5,382.62-8,071.88-2,095.28

Finding the Fourth Proportional to 5,382.62, 8,071.88 and 2,095.28

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Solution

The fourth proportional to 5,382.62, 8,071.88 and 2,095.28 is: 3,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.62 : 8,071.88 = 2,095.28 : x
  2. Step 2: Convert to fraction form
    5,382.62/8,071.88 = 2,095.28/x
  3. Step 3: Cross multiply
    5,382.62x = 8,071.88 × 2,095.28
  4. Step 4: Simplify right side
    5,382.62x = 16,912,848.73
  5. Step 5: Solve for x
    x = 16,912,848.73/5,382.62
  6. Step 6: Final answer
    x = 3,142.12

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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.