Home / 6,989.82-10,478.97-3,293.79

Finding the Fourth Proportional to 6,989.82, 10,478.97 and 3,293.79

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Solution

The fourth proportional to 6,989.82, 10,478.97 and 3,293.79 is: 4,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.82 : 10,478.97 = 3,293.79 : x
  2. Step 2: Convert to fraction form
    6,989.82/10,478.97 = 3,293.79/x
  3. Step 3: Cross multiply
    6,989.82x = 10,478.97 × 3,293.79
  4. Step 4: Simplify right side
    6,989.82x = 34,515,526.60
  5. Step 5: Solve for x
    x = 34,515,526.60/6,989.82
  6. Step 6: Final answer
    x = 4,937.97

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1.5x scale

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.