Home / 7,840.44-11,760.66-1,997.06

Finding the Fourth Proportional to 7,840.44, 11,760.66 and 1,997.06

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Solution

The fourth proportional to 7,840.44, 11,760.66 and 1,997.06 is: 2,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.44 : 11,760.66 = 1,997.06 : x
  2. Step 2: Convert to fraction form
    7,840.44/11,760.66 = 1,997.06/x
  3. Step 3: Cross multiply
    7,840.44x = 11,760.66 × 1,997.06
  4. Step 4: Simplify right side
    7,840.44x = 23,486,684.86
  5. Step 5: Solve for x
    x = 23,486,684.86/7,840.44
  6. Step 6: Final answer
    x = 2,995.58

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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.