Home / 6,989.56-10,481.80-3,829.35

Finding the Fourth Proportional to 6,989.56, 10,481.80 and 3,829.35

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Solution

The fourth proportional to 6,989.56, 10,481.80 and 3,829.35 is: 5,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.56 : 10,481.80 = 3,829.35 : x
  2. Step 2: Convert to fraction form
    6,989.56/10,481.80 = 3,829.35/x
  3. Step 3: Cross multiply
    6,989.56x = 10,481.80 × 3,829.35
  4. Step 4: Simplify right side
    6,989.56x = 40,138,480.83
  5. Step 5: Solve for x
    x = 40,138,480.83/6,989.56
  6. Step 6: Final answer
    x = 5,742.63

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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.