Home / 6,915.22-10,377.15-2,811.22

Finding the Fourth Proportional to 6,915.22, 10,377.15 and 2,811.22

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Solution

The fourth proportional to 6,915.22, 10,377.15 and 2,811.22 is: 4,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.22 : 10,377.15 = 2,811.22 : x
  2. Step 2: Convert to fraction form
    6,915.22/10,377.15 = 2,811.22/x
  3. Step 3: Cross multiply
    6,915.22x = 10,377.15 × 2,811.22
  4. Step 4: Simplify right side
    6,915.22x = 29,172,451.62
  5. Step 5: Solve for x
    x = 29,172,451.62/6,915.22
  6. Step 6: Final answer
    x = 4,218.59

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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.