Home / 5,110.45-7,659.25-2,185.31

Finding the Fourth Proportional to 5,110.45, 7,659.25 and 2,185.31

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Solution

The fourth proportional to 5,110.45, 7,659.25 and 2,185.31 is: 3,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.45 : 7,659.25 = 2,185.31 : x
  2. Step 2: Convert to fraction form
    5,110.45/7,659.25 = 2,185.31/x
  3. Step 3: Cross multiply
    5,110.45x = 7,659.25 × 2,185.31
  4. Step 4: Simplify right side
    5,110.45x = 16,737,835.62
  5. Step 5: Solve for x
    x = 16,737,835.62/5,110.45
  6. Step 6: Final answer
    x = 3,275.22

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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.