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Finding the Fourth Proportional to 5,609.25, 7,736.76 and 4,764.09

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Solution

The fourth proportional to 5,609.25, 7,736.76 and 4,764.09 is: 6,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.25 : 7,736.76 = 4,764.09 : x
  2. Step 2: Convert to fraction form
    5,609.25/7,736.76 = 4,764.09/x
  3. Step 3: Cross multiply
    5,609.25x = 7,736.76 × 4,764.09
  4. Step 4: Simplify right side
    5,609.25x = 36,858,620.95
  5. Step 5: Solve for x
    x = 36,858,620.95/5,609.25
  6. Step 6: Final answer
    x = 6,571.04

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1.5x scale

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.