Home / 9,210.83-13,812.66-3,942.54

Finding the Fourth Proportional to 9,210.83, 13,812.66 and 3,942.54

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Solution

The fourth proportional to 9,210.83, 13,812.66 and 3,942.54 is: 5,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.83 : 13,812.66 = 3,942.54 : x
  2. Step 2: Convert to fraction form
    9,210.83/13,812.66 = 3,942.54/x
  3. Step 3: Cross multiply
    9,210.83x = 13,812.66 × 3,942.54
  4. Step 4: Simplify right side
    9,210.83x = 54,456,964.56
  5. Step 5: Solve for x
    x = 54,456,964.56/9,210.83
  6. Step 6: Final answer
    x = 5,912.28

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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.