Home / 5,081.09-7,621.64-3,349.31

Finding the Fourth Proportional to 5,081.09, 7,621.64 and 3,349.31

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Solution

The fourth proportional to 5,081.09, 7,621.64 and 3,349.31 is: 5,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.09 : 7,621.64 = 3,349.31 : x
  2. Step 2: Convert to fraction form
    5,081.09/7,621.64 = 3,349.31/x
  3. Step 3: Cross multiply
    5,081.09x = 7,621.64 × 3,349.31
  4. Step 4: Simplify right side
    5,081.09x = 25,527,218.32
  5. Step 5: Solve for x
    x = 25,527,218.32/5,081.09
  6. Step 6: Final answer
    x = 5,023.97

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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.