Home / 7,659.12-11,488.98-3,499.37

Finding the Fourth Proportional to 7,659.12, 11,488.98 and 3,499.37

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Solution

The fourth proportional to 7,659.12, 11,488.98 and 3,499.37 is: 5,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.12 : 11,488.98 = 3,499.37 : x
  2. Step 2: Convert to fraction form
    7,659.12/11,488.98 = 3,499.37/x
  3. Step 3: Cross multiply
    7,659.12x = 11,488.98 × 3,499.37
  4. Step 4: Simplify right side
    7,659.12x = 40,204,134.50
  5. Step 5: Solve for x
    x = 40,204,134.50/7,659.12
  6. Step 6: Final answer
    x = 5,249.18

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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.