Home / 8,104.56-12,157.80-2,837.96

Finding the Fourth Proportional to 8,104.56, 12,157.80 and 2,837.96

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Solution

The fourth proportional to 8,104.56, 12,157.80 and 2,837.96 is: 4,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.56 : 12,157.80 = 2,837.96 : x
  2. Step 2: Convert to fraction form
    8,104.56/12,157.80 = 2,837.96/x
  3. Step 3: Cross multiply
    8,104.56x = 12,157.80 × 2,837.96
  4. Step 4: Simplify right side
    8,104.56x = 34,503,350.09
  5. Step 5: Solve for x
    x = 34,503,350.09/8,104.56
  6. Step 6: Final answer
    x = 4,257.28

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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.