Home / 6,936.37-10,408.65-2,556.90

Finding the Fourth Proportional to 6,936.37, 10,408.65 and 2,556.90

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Solution

The fourth proportional to 6,936.37, 10,408.65 and 2,556.90 is: 3,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.37 : 10,408.65 = 2,556.90 : x
  2. Step 2: Convert to fraction form
    6,936.37/10,408.65 = 2,556.90/x
  3. Step 3: Cross multiply
    6,936.37x = 10,408.65 × 2,556.90
  4. Step 4: Simplify right side
    6,936.37x = 26,613,877.19
  5. Step 5: Solve for x
    x = 26,613,877.19/6,936.37
  6. Step 6: Final answer
    x = 3,836.86

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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.