Home / 4,003.36-5,518.32-2,822.56

Finding the Fourth Proportional to 4,003.36, 5,518.32 and 2,822.56

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Solution

The fourth proportional to 4,003.36, 5,518.32 and 2,822.56 is: 3,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.36 : 5,518.32 = 2,822.56 : x
  2. Step 2: Convert to fraction form
    4,003.36/5,518.32 = 2,822.56/x
  3. Step 3: Cross multiply
    4,003.36x = 5,518.32 × 2,822.56
  4. Step 4: Simplify right side
    4,003.36x = 15,575,789.30
  5. Step 5: Solve for x
    x = 15,575,789.30/4,003.36
  6. Step 6: Final answer
    x = 3,890.68

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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.