Home / 5,195.72-7,170.28-2,837.96

Finding the Fourth Proportional to 5,195.72, 7,170.28 and 2,837.96

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Solution

The fourth proportional to 5,195.72, 7,170.28 and 2,837.96 is: 3,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.72 : 7,170.28 = 2,837.96 : x
  2. Step 2: Convert to fraction form
    5,195.72/7,170.28 = 2,837.96/x
  3. Step 3: Cross multiply
    5,195.72x = 7,170.28 × 2,837.96
  4. Step 4: Simplify right side
    5,195.72x = 20,348,967.83
  5. Step 5: Solve for x
    x = 20,348,967.83/5,195.72
  6. Step 6: Final answer
    x = 3,916.49

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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.