Home / 6,222.15-9,379.80-5,809.66

Finding the Fourth Proportional to 6,222.15, 9,379.80 and 5,809.66

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Solution

The fourth proportional to 6,222.15, 9,379.80 and 5,809.66 is: 8,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.15 : 9,379.80 = 5,809.66 : x
  2. Step 2: Convert to fraction form
    6,222.15/9,379.80 = 5,809.66/x
  3. Step 3: Cross multiply
    6,222.15x = 9,379.80 × 5,809.66
  4. Step 4: Simplify right side
    6,222.15x = 54,493,425.42
  5. Step 5: Solve for x
    x = 54,493,425.42/6,222.15
  6. Step 6: Final answer
    x = 8,757.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.