Home / 4,940.19-7,405.38-2,020.59

Finding the Fourth Proportional to 4,940.19, 7,405.38 and 2,020.59

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Solution

The fourth proportional to 4,940.19, 7,405.38 and 2,020.59 is: 3,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.19 : 7,405.38 = 2,020.59 : x
  2. Step 2: Convert to fraction form
    4,940.19/7,405.38 = 2,020.59/x
  3. Step 3: Cross multiply
    4,940.19x = 7,405.38 × 2,020.59
  4. Step 4: Simplify right side
    4,940.19x = 14,963,236.77
  5. Step 5: Solve for x
    x = 14,963,236.77/4,940.19
  6. Step 6: Final answer
    x = 3,028.88

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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.