Home / 7,840.83-11,761.93-1,997.44

Finding the Fourth Proportional to 7,840.83, 11,761.93 and 1,997.44

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Solution

The fourth proportional to 7,840.83, 11,761.93 and 1,997.44 is: 2,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.83 : 11,761.93 = 1,997.44 : x
  2. Step 2: Convert to fraction form
    7,840.83/11,761.93 = 1,997.44/x
  3. Step 3: Cross multiply
    7,840.83x = 11,761.93 × 1,997.44
  4. Step 4: Simplify right side
    7,840.83x = 23,493,722.55
  5. Step 5: Solve for x
    x = 23,493,722.55/7,840.83
  6. Step 6: Final answer
    x = 2,996.33

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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.