Home / 4,942.94-6,821.91-2,819.24

Finding the Fourth Proportional to 4,942.94, 6,821.91 and 2,819.24

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Solution

The fourth proportional to 4,942.94, 6,821.91 and 2,819.24 is: 3,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.94 : 6,821.91 = 2,819.24 : x
  2. Step 2: Convert to fraction form
    4,942.94/6,821.91 = 2,819.24/x
  3. Step 3: Cross multiply
    4,942.94x = 6,821.91 × 2,819.24
  4. Step 4: Simplify right side
    4,942.94x = 19,232,601.55
  5. Step 5: Solve for x
    x = 19,232,601.55/4,942.94
  6. Step 6: Final answer
    x = 3,890.92

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1.5x scale

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.