Home / 8,816.90-13,220.69-3,884.22

Finding the Fourth Proportional to 8,816.90, 13,220.69 and 3,884.22

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Solution

The fourth proportional to 8,816.90, 13,220.69 and 3,884.22 is: 5,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.90 : 13,220.69 = 3,884.22 : x
  2. Step 2: Convert to fraction form
    8,816.90/13,220.69 = 3,884.22/x
  3. Step 3: Cross multiply
    8,816.90x = 13,220.69 × 3,884.22
  4. Step 4: Simplify right side
    8,816.90x = 51,352,049.09
  5. Step 5: Solve for x
    x = 51,352,049.09/8,816.90
  6. Step 6: Final answer
    x = 5,824.28

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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.