Home / 6,949.96-10,425.40-2,789.42

Finding the Fourth Proportional to 6,949.96, 10,425.40 and 2,789.42

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Solution

The fourth proportional to 6,949.96, 10,425.40 and 2,789.42 is: 4,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.96 : 10,425.40 = 2,789.42 : x
  2. Step 2: Convert to fraction form
    6,949.96/10,425.40 = 2,789.42/x
  3. Step 3: Cross multiply
    6,949.96x = 10,425.40 × 2,789.42
  4. Step 4: Simplify right side
    6,949.96x = 29,080,858.87
  5. Step 5: Solve for x
    x = 29,080,858.87/6,949.96
  6. Step 6: Final answer
    x = 4,184.32

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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.