Home / 5,271.72-7,273.94-3,175.96

Finding the Fourth Proportional to 5,271.72, 7,273.94 and 3,175.96

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Solution

The fourth proportional to 5,271.72, 7,273.94 and 3,175.96 is: 4,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.72 : 7,273.94 = 3,175.96 : x
  2. Step 2: Convert to fraction form
    5,271.72/7,273.94 = 3,175.96/x
  3. Step 3: Cross multiply
    5,271.72x = 7,273.94 × 3,175.96
  4. Step 4: Simplify right side
    5,271.72x = 23,101,742.48
  5. Step 5: Solve for x
    x = 23,101,742.48/5,271.72
  6. Step 6: Final answer
    x = 4,382.20

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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.