Home / 6,973.20-9,623.33-3,989.97

Finding the Fourth Proportional to 6,973.20, 9,623.33 and 3,989.97

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Solution

The fourth proportional to 6,973.20, 9,623.33 and 3,989.97 is: 5,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.20 : 9,623.33 = 3,989.97 : x
  2. Step 2: Convert to fraction form
    6,973.20/9,623.33 = 3,989.97/x
  3. Step 3: Cross multiply
    6,973.20x = 9,623.33 × 3,989.97
  4. Step 4: Simplify right side
    6,973.20x = 38,396,778.05
  5. Step 5: Solve for x
    x = 38,396,778.05/6,973.20
  6. Step 6: Final answer
    x = 5,506.34

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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.