Home / 7,126.58-9,837.43-6,379.22

Finding the Fourth Proportional to 7,126.58, 9,837.43 and 6,379.22

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Solution

The fourth proportional to 7,126.58, 9,837.43 and 6,379.22 is: 8,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.58 : 9,837.43 = 6,379.22 : x
  2. Step 2: Convert to fraction form
    7,126.58/9,837.43 = 6,379.22/x
  3. Step 3: Cross multiply
    7,126.58x = 9,837.43 × 6,379.22
  4. Step 4: Simplify right side
    7,126.58x = 62,755,138.85
  5. Step 5: Solve for x
    x = 62,755,138.85/7,126.58
  6. Step 6: Final answer
    x = 8,805.78

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1.5x scale

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.