Home / 8,538.43-11,782.83-4,761.96

Finding the Fourth Proportional to 8,538.43, 11,782.83 and 4,761.96

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Solution

The fourth proportional to 8,538.43, 11,782.83 and 4,761.96 is: 6,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.43 : 11,782.83 = 4,761.96 : x
  2. Step 2: Convert to fraction form
    8,538.43/11,782.83 = 4,761.96/x
  3. Step 3: Cross multiply
    8,538.43x = 11,782.83 × 4,761.96
  4. Step 4: Simplify right side
    8,538.43x = 56,109,365.15
  5. Step 5: Solve for x
    x = 56,109,365.15/8,538.43
  6. Step 6: Final answer
    x = 6,571.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.