Home / 4,999.85-7,499.78-3,702.23

Finding the Fourth Proportional to 4,999.85, 7,499.78 and 3,702.23

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Solution

The fourth proportional to 4,999.85, 7,499.78 and 3,702.23 is: 5,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.85 : 7,499.78 = 3,702.23 : x
  2. Step 2: Convert to fraction form
    4,999.85/7,499.78 = 3,702.23/x
  3. Step 3: Cross multiply
    4,999.85x = 7,499.78 × 3,702.23
  4. Step 4: Simplify right side
    4,999.85x = 27,765,910.51
  5. Step 5: Solve for x
    x = 27,765,910.51/4,999.85
  6. Step 6: Final answer
    x = 5,553.35

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Similar ratio
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1.5x scale

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.