Home / 6,841.80-9,440.91-3,857.76

Finding the Fourth Proportional to 6,841.80, 9,440.91 and 3,857.76

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Solution

The fourth proportional to 6,841.80, 9,440.91 and 3,857.76 is: 5,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.80 : 9,440.91 = 3,857.76 : x
  2. Step 2: Convert to fraction form
    6,841.80/9,440.91 = 3,857.76/x
  3. Step 3: Cross multiply
    6,841.80x = 9,440.91 × 3,857.76
  4. Step 4: Simplify right side
    6,841.80x = 36,420,764.96
  5. Step 5: Solve for x
    x = 36,420,764.96/6,841.80
  6. Step 6: Final answer
    x = 5,323.27

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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.