Home / 4,930.20-6,802.92-2,940.84

Finding the Fourth Proportional to 4,930.20, 6,802.92 and 2,940.84

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Solution

The fourth proportional to 4,930.20, 6,802.92 and 2,940.84 is: 4,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.20 : 6,802.92 = 2,940.84 : x
  2. Step 2: Convert to fraction form
    4,930.20/6,802.92 = 2,940.84/x
  3. Step 3: Cross multiply
    4,930.20x = 6,802.92 × 2,940.84
  4. Step 4: Simplify right side
    4,930.20x = 20,006,299.25
  5. Step 5: Solve for x
    x = 20,006,299.25/4,930.20
  6. Step 6: Final answer
    x = 4,057.91

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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.