Home / 3,944.48-5,913.27-1,478.63

Finding the Fourth Proportional to 3,944.48, 5,913.27 and 1,478.63

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Solution

The fourth proportional to 3,944.48, 5,913.27 and 1,478.63 is: 2,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.48 : 5,913.27 = 1,478.63 : x
  2. Step 2: Convert to fraction form
    3,944.48/5,913.27 = 1,478.63/x
  3. Step 3: Cross multiply
    3,944.48x = 5,913.27 × 1,478.63
  4. Step 4: Simplify right side
    3,944.48x = 8,743,553.20
  5. Step 5: Solve for x
    x = 8,743,553.20/3,944.48
  6. Step 6: Final answer
    x = 2,216.66

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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.