Home / 6,829.13-10,243.69-3,905.39

Finding the Fourth Proportional to 6,829.13, 10,243.69 and 3,905.39

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Solution

The fourth proportional to 6,829.13, 10,243.69 and 3,905.39 is: 5,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.13 : 10,243.69 = 3,905.39 : x
  2. Step 2: Convert to fraction form
    6,829.13/10,243.69 = 3,905.39/x
  3. Step 3: Cross multiply
    6,829.13x = 10,243.69 × 3,905.39
  4. Step 4: Simplify right side
    6,829.13x = 40,005,620.33
  5. Step 5: Solve for x
    x = 40,005,620.33/6,829.13
  6. Step 6: Final answer
    x = 5,858.08

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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.