Home / 6,127.92-8,458.43-3,770.82

Finding the Fourth Proportional to 6,127.92, 8,458.43 and 3,770.82

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Solution

The fourth proportional to 6,127.92, 8,458.43 and 3,770.82 is: 5,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.92 : 8,458.43 = 3,770.82 : x
  2. Step 2: Convert to fraction form
    6,127.92/8,458.43 = 3,770.82/x
  3. Step 3: Cross multiply
    6,127.92x = 8,458.43 × 3,770.82
  4. Step 4: Simplify right side
    6,127.92x = 31,895,198.16
  5. Step 5: Solve for x
    x = 31,895,198.16/6,127.92
  6. Step 6: Final answer
    x = 5,204.90

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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.