Home / 4,915.26-6,782.91-2,819.82

Finding the Fourth Proportional to 4,915.26, 6,782.91 and 2,819.82

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Solution

The fourth proportional to 4,915.26, 6,782.91 and 2,819.82 is: 3,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.26 : 6,782.91 = 2,819.82 : x
  2. Step 2: Convert to fraction form
    4,915.26/6,782.91 = 2,819.82/x
  3. Step 3: Cross multiply
    4,915.26x = 6,782.91 × 2,819.82
  4. Step 4: Simplify right side
    4,915.26x = 19,126,585.28
  5. Step 5: Solve for x
    x = 19,126,585.28/4,915.26
  6. Step 6: Final answer
    x = 3,891.27

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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.