Home / 6,982.40-9,635.37-3,838.52

Finding the Fourth Proportional to 6,982.40, 9,635.37 and 3,838.52

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Solution

The fourth proportional to 6,982.40, 9,635.37 and 3,838.52 is: 5,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.40 : 9,635.37 = 3,838.52 : x
  2. Step 2: Convert to fraction form
    6,982.40/9,635.37 = 3,838.52/x
  3. Step 3: Cross multiply
    6,982.40x = 9,635.37 × 3,838.52
  4. Step 4: Simplify right side
    6,982.40x = 36,985,560.45
  5. Step 5: Solve for x
    x = 36,985,560.45/6,982.40
  6. Step 6: Final answer
    x = 5,296.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.