Home / 7,657.82-11,486.73-2,111.22

Finding the Fourth Proportional to 7,657.82, 11,486.73 and 2,111.22

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Solution

The fourth proportional to 7,657.82, 11,486.73 and 2,111.22 is: 3,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.82 : 11,486.73 = 2,111.22 : x
  2. Step 2: Convert to fraction form
    7,657.82/11,486.73 = 2,111.22/x
  3. Step 3: Cross multiply
    7,657.82x = 11,486.73 × 2,111.22
  4. Step 4: Simplify right side
    7,657.82x = 24,251,014.11
  5. Step 5: Solve for x
    x = 24,251,014.11/7,657.82
  6. Step 6: Final answer
    x = 3,166.83

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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.