Home / 4,458.74-6,684.34-2,811.66

Finding the Fourth Proportional to 4,458.74, 6,684.34 and 2,811.66

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Solution

The fourth proportional to 4,458.74, 6,684.34 and 2,811.66 is: 4,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.74 : 6,684.34 = 2,811.66 : x
  2. Step 2: Convert to fraction form
    4,458.74/6,684.34 = 2,811.66/x
  3. Step 3: Cross multiply
    4,458.74x = 6,684.34 × 2,811.66
  4. Step 4: Simplify right side
    4,458.74x = 18,794,057.98
  5. Step 5: Solve for x
    x = 18,794,057.98/4,458.74
  6. Step 6: Final answer
    x = 4,215.11

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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.