Home / 3,628.56-5,447.70-3,424.44

Finding the Fourth Proportional to 3,628.56, 5,447.70 and 3,424.44

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Solution

The fourth proportional to 3,628.56, 5,447.70 and 3,424.44 is: 5,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.56 : 5,447.70 = 3,424.44 : x
  2. Step 2: Convert to fraction form
    3,628.56/5,447.70 = 3,424.44/x
  3. Step 3: Cross multiply
    3,628.56x = 5,447.70 × 3,424.44
  4. Step 4: Simplify right side
    3,628.56x = 18,655,321.79
  5. Step 5: Solve for x
    x = 18,655,321.79/3,628.56
  6. Step 6: Final answer
    x = 5,141.25

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1.5x scale

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.