Home / 5,185.08-7,161.75-3,773.25

Finding the Fourth Proportional to 5,185.08, 7,161.75 and 3,773.25

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Solution

The fourth proportional to 5,185.08, 7,161.75 and 3,773.25 is: 5,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.08 : 7,161.75 = 3,773.25 : x
  2. Step 2: Convert to fraction form
    5,185.08/7,161.75 = 3,773.25/x
  3. Step 3: Cross multiply
    5,185.08x = 7,161.75 × 3,773.25
  4. Step 4: Simplify right side
    5,185.08x = 27,023,073.19
  5. Step 5: Solve for x
    x = 27,023,073.19/5,185.08
  6. Step 6: Final answer
    x = 5,211.70

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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.