Home / 4,751.12-7,129.74-2,561.37

Finding the Fourth Proportional to 4,751.12, 7,129.74 and 2,561.37

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Solution

The fourth proportional to 4,751.12, 7,129.74 and 2,561.37 is: 3,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.12 : 7,129.74 = 2,561.37 : x
  2. Step 2: Convert to fraction form
    4,751.12/7,129.74 = 2,561.37/x
  3. Step 3: Cross multiply
    4,751.12x = 7,129.74 × 2,561.37
  4. Step 4: Simplify right side
    4,751.12x = 18,261,902.14
  5. Step 5: Solve for x
    x = 18,261,902.14/4,751.12
  6. Step 6: Final answer
    x = 3,843.71

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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.