Home / 6,939.48-10,408.88-2,556.64

Finding the Fourth Proportional to 6,939.48, 10,408.88 and 2,556.64

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Solution

The fourth proportional to 6,939.48, 10,408.88 and 2,556.64 is: 3,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.48 : 10,408.88 = 2,556.64 : x
  2. Step 2: Convert to fraction form
    6,939.48/10,408.88 = 2,556.64/x
  3. Step 3: Cross multiply
    6,939.48x = 10,408.88 × 2,556.64
  4. Step 4: Simplify right side
    6,939.48x = 26,611,758.96
  5. Step 5: Solve for x
    x = 26,611,758.96/6,939.48
  6. Step 6: Final answer
    x = 3,834.83

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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.