Home / 4,940.00-6,819.68-3,818.40

Finding the Fourth Proportional to 4,940.00, 6,819.68 and 3,818.40

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Solution

The fourth proportional to 4,940.00, 6,819.68 and 3,818.40 is: 5,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.00 : 6,819.68 = 3,818.40 : x
  2. Step 2: Convert to fraction form
    4,940.00/6,819.68 = 3,818.40/x
  3. Step 3: Cross multiply
    4,940.00x = 6,819.68 × 3,818.40
  4. Step 4: Simplify right side
    4,940.00x = 26,040,286.91
  5. Step 5: Solve for x
    x = 26,040,286.91/4,940.00
  6. Step 6: Final answer
    x = 5,271.31

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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.