Home / 5,222.78-7,833.80-2,450.07

Finding the Fourth Proportional to 5,222.78, 7,833.80 and 2,450.07

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Solution

The fourth proportional to 5,222.78, 7,833.80 and 2,450.07 is: 3,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.78 : 7,833.80 = 2,450.07 : x
  2. Step 2: Convert to fraction form
    5,222.78/7,833.80 = 2,450.07/x
  3. Step 3: Cross multiply
    5,222.78x = 7,833.80 × 2,450.07
  4. Step 4: Simplify right side
    5,222.78x = 19,193,346.12
  5. Step 5: Solve for x
    x = 19,193,346.12/5,222.78
  6. Step 6: Final answer
    x = 3,674.93

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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.