Home / 8,584.20-12,877.26-2,739.48

Finding the Fourth Proportional to 8,584.20, 12,877.26 and 2,739.48

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Solution

The fourth proportional to 8,584.20, 12,877.26 and 2,739.48 is: 4,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.20 : 12,877.26 = 2,739.48 : x
  2. Step 2: Convert to fraction form
    8,584.20/12,877.26 = 2,739.48/x
  3. Step 3: Cross multiply
    8,584.20x = 12,877.26 × 2,739.48
  4. Step 4: Simplify right side
    8,584.20x = 35,276,996.22
  5. Step 5: Solve for x
    x = 35,276,996.22/8,584.20
  6. Step 6: Final answer
    x = 4,109.53

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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.