Home / 5,157.22-7,116.96-2,799.37

Finding the Fourth Proportional to 5,157.22, 7,116.96 and 2,799.37

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Solution

The fourth proportional to 5,157.22, 7,116.96 and 2,799.37 is: 3,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.22 : 7,116.96 = 2,799.37 : x
  2. Step 2: Convert to fraction form
    5,157.22/7,116.96 = 2,799.37/x
  3. Step 3: Cross multiply
    5,157.22x = 7,116.96 × 2,799.37
  4. Step 4: Simplify right side
    5,157.22x = 19,923,004.32
  5. Step 5: Solve for x
    x = 19,923,004.32/5,157.22
  6. Step 6: Final answer
    x = 3,863.13

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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.