Home / 6,778.82-10,149.24-5,521.88

Finding the Fourth Proportional to 6,778.82, 10,149.24 and 5,521.88

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Solution

The fourth proportional to 6,778.82, 10,149.24 and 5,521.88 is: 8,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.82 : 10,149.24 = 5,521.88 : x
  2. Step 2: Convert to fraction form
    6,778.82/10,149.24 = 5,521.88/x
  3. Step 3: Cross multiply
    6,778.82x = 10,149.24 × 5,521.88
  4. Step 4: Simplify right side
    6,778.82x = 56,042,885.37
  5. Step 5: Solve for x
    x = 56,042,885.37/6,778.82
  6. Step 6: Final answer
    x = 8,267.35

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1.5x scale

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.