Home / 5,081.54-7,623.22-1,571.52

Finding the Fourth Proportional to 5,081.54, 7,623.22 and 1,571.52

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Solution

The fourth proportional to 5,081.54, 7,623.22 and 1,571.52 is: 2,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.54 : 7,623.22 = 1,571.52 : x
  2. Step 2: Convert to fraction form
    5,081.54/7,623.22 = 1,571.52/x
  3. Step 3: Cross multiply
    5,081.54x = 7,623.22 × 1,571.52
  4. Step 4: Simplify right side
    5,081.54x = 11,980,042.69
  5. Step 5: Solve for x
    x = 11,980,042.69/5,081.54
  6. Step 6: Final answer
    x = 2,357.56

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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.