Home / 7,702.75-11,556.60-3,085.75

Finding the Fourth Proportional to 7,702.75, 11,556.60 and 3,085.75

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Solution

The fourth proportional to 7,702.75, 11,556.60 and 3,085.75 is: 4,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.75 : 11,556.60 = 3,085.75 : x
  2. Step 2: Convert to fraction form
    7,702.75/11,556.60 = 3,085.75/x
  3. Step 3: Cross multiply
    7,702.75x = 11,556.60 × 3,085.75
  4. Step 4: Simplify right side
    7,702.75x = 35,660,778.45
  5. Step 5: Solve for x
    x = 35,660,778.45/7,702.75
  6. Step 6: Final answer
    x = 4,629.62

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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.