Home / 8,821.44-13,229.22-3,555.09

Finding the Fourth Proportional to 8,821.44, 13,229.22 and 3,555.09

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Solution

The fourth proportional to 8,821.44, 13,229.22 and 3,555.09 is: 5,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.44 : 13,229.22 = 3,555.09 : x
  2. Step 2: Convert to fraction form
    8,821.44/13,229.22 = 3,555.09/x
  3. Step 3: Cross multiply
    8,821.44x = 13,229.22 × 3,555.09
  4. Step 4: Simplify right side
    8,821.44x = 47,031,081.06
  5. Step 5: Solve for x
    x = 47,031,081.06/8,821.44
  6. Step 6: Final answer
    x = 5,331.45

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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.