Home / 4,418.82-6,628.23-1,821.69

Finding the Fourth Proportional to 4,418.82, 6,628.23 and 1,821.69

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Solution

The fourth proportional to 4,418.82, 6,628.23 and 1,821.69 is: 2,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.82 : 6,628.23 = 1,821.69 : x
  2. Step 2: Convert to fraction form
    4,418.82/6,628.23 = 1,821.69/x
  3. Step 3: Cross multiply
    4,418.82x = 6,628.23 × 1,821.69
  4. Step 4: Simplify right side
    4,418.82x = 12,074,580.31
  5. Step 5: Solve for x
    x = 12,074,580.31/4,418.82
  6. Step 6: Final answer
    x = 2,732.54

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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.