Home / 5,081.54-7,623.21-1,571.51

Finding the Fourth Proportional to 5,081.54, 7,623.21 and 1,571.51

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Solution

The fourth proportional to 5,081.54, 7,623.21 and 1,571.51 is: 2,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.54 : 7,623.21 = 1,571.51 : x
  2. Step 2: Convert to fraction form
    5,081.54/7,623.21 = 1,571.51/x
  3. Step 3: Cross multiply
    5,081.54x = 7,623.21 × 1,571.51
  4. Step 4: Simplify right side
    5,081.54x = 11,979,950.75
  5. Step 5: Solve for x
    x = 11,979,950.75/5,081.54
  6. Step 6: Final answer
    x = 2,357.54

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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.