Home / 5,039.76-7,561.26-3,944.64

Finding the Fourth Proportional to 5,039.76, 7,561.26 and 3,944.64

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Solution

The fourth proportional to 5,039.76, 7,561.26 and 3,944.64 is: 5,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.76 : 7,561.26 = 3,944.64 : x
  2. Step 2: Convert to fraction form
    5,039.76/7,561.26 = 3,944.64/x
  3. Step 3: Cross multiply
    5,039.76x = 7,561.26 × 3,944.64
  4. Step 4: Simplify right side
    5,039.76x = 29,826,448.65
  5. Step 5: Solve for x
    x = 29,826,448.65/5,039.76
  6. Step 6: Final answer
    x = 5,918.23

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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.