Home / 7,144.54-10,723.70-3,449.36

Finding the Fourth Proportional to 7,144.54, 10,723.70 and 3,449.36

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Solution

The fourth proportional to 7,144.54, 10,723.70 and 3,449.36 is: 5,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.54 : 10,723.70 = 3,449.36 : x
  2. Step 2: Convert to fraction form
    7,144.54/10,723.70 = 3,449.36/x
  3. Step 3: Cross multiply
    7,144.54x = 10,723.70 × 3,449.36
  4. Step 4: Simplify right side
    7,144.54x = 36,989,937.26
  5. Step 5: Solve for x
    x = 36,989,937.26/7,144.54
  6. Step 6: Final answer
    x = 5,177.37

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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.