Home / 4,228.48-5,836.49-3,388.85

Finding the Fourth Proportional to 4,228.48, 5,836.49 and 3,388.85

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Solution

The fourth proportional to 4,228.48, 5,836.49 and 3,388.85 is: 4,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.48 : 5,836.49 = 3,388.85 : x
  2. Step 2: Convert to fraction form
    4,228.48/5,836.49 = 3,388.85/x
  3. Step 3: Cross multiply
    4,228.48x = 5,836.49 × 3,388.85
  4. Step 4: Simplify right side
    4,228.48x = 19,778,989.14
  5. Step 5: Solve for x
    x = 19,778,989.14/4,228.48
  6. Step 6: Final answer
    x = 4,677.56

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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.