Home / 4,942.51-7,413.01-1,822.09

Finding the Fourth Proportional to 4,942.51, 7,413.01 and 1,822.09

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Solution

The fourth proportional to 4,942.51, 7,413.01 and 1,822.09 is: 2,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.51 : 7,413.01 = 1,822.09 : x
  2. Step 2: Convert to fraction form
    4,942.51/7,413.01 = 1,822.09/x
  3. Step 3: Cross multiply
    4,942.51x = 7,413.01 × 1,822.09
  4. Step 4: Simplify right side
    4,942.51x = 13,507,148.30
  5. Step 5: Solve for x
    x = 13,507,148.30/4,942.51
  6. Step 6: Final answer
    x = 2,732.85

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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.