Home / 6,858.89-10,289.25-3,161.96

Finding the Fourth Proportional to 6,858.89, 10,289.25 and 3,161.96

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Solution

The fourth proportional to 6,858.89, 10,289.25 and 3,161.96 is: 4,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.89 : 10,289.25 = 3,161.96 : x
  2. Step 2: Convert to fraction form
    6,858.89/10,289.25 = 3,161.96/x
  3. Step 3: Cross multiply
    6,858.89x = 10,289.25 × 3,161.96
  4. Step 4: Simplify right side
    6,858.89x = 32,534,181.12
  5. Step 5: Solve for x
    x = 32,534,181.12/6,858.89
  6. Step 6: Final answer
    x = 4,743.36

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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.