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Finding the Fourth Proportional to 5,610.78, 7,744.44 and 3,252.47

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Solution

The fourth proportional to 5,610.78, 7,744.44 and 3,252.47 is: 4,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.78 : 7,744.44 = 3,252.47 : x
  2. Step 2: Convert to fraction form
    5,610.78/7,744.44 = 3,252.47/x
  3. Step 3: Cross multiply
    5,610.78x = 7,744.44 × 3,252.47
  4. Step 4: Simplify right side
    5,610.78x = 25,188,532.24
  5. Step 5: Solve for x
    x = 25,188,532.24/5,610.78
  6. Step 6: Final answer
    x = 4,489.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.