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Finding the Fourth Proportional to 8,796.83, 13,190.25 and 7,759.22

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Solution

The fourth proportional to 8,796.83, 13,190.25 and 7,759.22 is: 11,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.83 : 13,190.25 = 7,759.22 : x
  2. Step 2: Convert to fraction form
    8,796.83/13,190.25 = 7,759.22/x
  3. Step 3: Cross multiply
    8,796.83x = 13,190.25 × 7,759.22
  4. Step 4: Simplify right side
    8,796.83x = 102,346,051.61
  5. Step 5: Solve for x
    x = 102,346,051.61/8,796.83
  6. Step 6: Final answer
    x = 11,634.42

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Half scale
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Double scale
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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.