Home / 5,271.08-7,906.82-1,375.38

Finding the Fourth Proportional to 5,271.08, 7,906.82 and 1,375.38

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Solution

The fourth proportional to 5,271.08, 7,906.82 and 1,375.38 is: 2,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.08 : 7,906.82 = 1,375.38 : x
  2. Step 2: Convert to fraction form
    5,271.08/7,906.82 = 1,375.38/x
  3. Step 3: Cross multiply
    5,271.08x = 7,906.82 × 1,375.38
  4. Step 4: Simplify right side
    5,271.08x = 10,874,875.21
  5. Step 5: Solve for x
    x = 10,874,875.21/5,271.08
  6. Step 6: Final answer
    x = 2,063.12

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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.