Home / 8,220.36-11,334.20-5,704.62

Finding the Fourth Proportional to 8,220.36, 11,334.20 and 5,704.62

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Solution

The fourth proportional to 8,220.36, 11,334.20 and 5,704.62 is: 7,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.36 : 11,334.20 = 5,704.62 : x
  2. Step 2: Convert to fraction form
    8,220.36/11,334.20 = 5,704.62/x
  3. Step 3: Cross multiply
    8,220.36x = 11,334.20 × 5,704.62
  4. Step 4: Simplify right side
    8,220.36x = 64,657,304.00
  5. Step 5: Solve for x
    x = 64,657,304.00/8,220.36
  6. Step 6: Final answer
    x = 7,865.51

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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.