Home / 7,944.12-11,914.52-3,259.56

Finding the Fourth Proportional to 7,944.12, 11,914.52 and 3,259.56

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Solution

The fourth proportional to 7,944.12, 11,914.52 and 3,259.56 is: 4,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.12 : 11,914.52 = 3,259.56 : x
  2. Step 2: Convert to fraction form
    7,944.12/11,914.52 = 3,259.56/x
  3. Step 3: Cross multiply
    7,944.12x = 11,914.52 × 3,259.56
  4. Step 4: Simplify right side
    7,944.12x = 38,836,092.81
  5. Step 5: Solve for x
    x = 38,836,092.81/7,944.12
  6. Step 6: Final answer
    x = 4,888.66

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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.