Home / 4,916.26-6,783.66-2,819.98

Finding the Fourth Proportional to 4,916.26, 6,783.66 and 2,819.98

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Solution

The fourth proportional to 4,916.26, 6,783.66 and 2,819.98 is: 3,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.26 : 6,783.66 = 2,819.98 : x
  2. Step 2: Convert to fraction form
    4,916.26/6,783.66 = 2,819.98/x
  3. Step 3: Cross multiply
    4,916.26x = 6,783.66 × 2,819.98
  4. Step 4: Simplify right side
    4,916.26x = 19,129,785.53
  5. Step 5: Solve for x
    x = 19,129,785.53/4,916.26
  6. Step 6: Final answer
    x = 3,891.13

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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.