Home / 6,939.56-10,410.74-2,556.92

Finding the Fourth Proportional to 6,939.56, 10,410.74 and 2,556.92

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Solution

The fourth proportional to 6,939.56, 10,410.74 and 2,556.92 is: 3,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.56 : 10,410.74 = 2,556.92 : x
  2. Step 2: Convert to fraction form
    6,939.56/10,410.74 = 2,556.92/x
  3. Step 3: Cross multiply
    6,939.56x = 10,410.74 × 2,556.92
  4. Step 4: Simplify right side
    6,939.56x = 26,619,429.32
  5. Step 5: Solve for x
    x = 26,619,429.32/6,939.56
  6. Step 6: Final answer
    x = 3,835.90

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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.