Home / 8,741.96-13,101.26-3,190.08

Finding the Fourth Proportional to 8,741.96, 13,101.26 and 3,190.08

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Solution

The fourth proportional to 8,741.96, 13,101.26 and 3,190.08 is: 4,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.96 : 13,101.26 = 3,190.08 : x
  2. Step 2: Convert to fraction form
    8,741.96/13,101.26 = 3,190.08/x
  3. Step 3: Cross multiply
    8,741.96x = 13,101.26 × 3,190.08
  4. Step 4: Simplify right side
    8,741.96x = 41,794,051.55
  5. Step 5: Solve for x
    x = 41,794,051.55/8,741.96
  6. Step 6: Final answer
    x = 4,780.86

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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.