Home / 4,821.35-6,645.48-3,227.42

Finding the Fourth Proportional to 4,821.35, 6,645.48 and 3,227.42

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Solution

The fourth proportional to 4,821.35, 6,645.48 and 3,227.42 is: 4,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.35 : 6,645.48 = 3,227.42 : x
  2. Step 2: Convert to fraction form
    4,821.35/6,645.48 = 3,227.42/x
  3. Step 3: Cross multiply
    4,821.35x = 6,645.48 × 3,227.42
  4. Step 4: Simplify right side
    4,821.35x = 21,447,721.83
  5. Step 5: Solve for x
    x = 21,447,721.83/4,821.35
  6. Step 6: Final answer
    x = 4,448.49

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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.