Home / 4,161.06-6,236.79-1,561.38

Finding the Fourth Proportional to 4,161.06, 6,236.79 and 1,561.38

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Solution

The fourth proportional to 4,161.06, 6,236.79 and 1,561.38 is: 2,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.06 : 6,236.79 = 1,561.38 : x
  2. Step 2: Convert to fraction form
    4,161.06/6,236.79 = 1,561.38/x
  3. Step 3: Cross multiply
    4,161.06x = 6,236.79 × 1,561.38
  4. Step 4: Simplify right side
    4,161.06x = 9,737,999.17
  5. Step 5: Solve for x
    x = 9,737,999.17/4,161.06
  6. Step 6: Final answer
    x = 2,340.27

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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.