Home / 6,765.22-10,147.88-5,131.86

Finding the Fourth Proportional to 6,765.22, 10,147.88 and 5,131.86

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Solution

The fourth proportional to 6,765.22, 10,147.88 and 5,131.86 is: 7,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.22 : 10,147.88 = 5,131.86 : x
  2. Step 2: Convert to fraction form
    6,765.22/10,147.88 = 5,131.86/x
  3. Step 3: Cross multiply
    6,765.22x = 10,147.88 × 5,131.86
  4. Step 4: Simplify right side
    6,765.22x = 52,077,474.23
  5. Step 5: Solve for x
    x = 52,077,474.23/6,765.22
  6. Step 6: Final answer
    x = 7,697.82

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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.