Home / 8,817.56-13,222.43-4,133.78

Finding the Fourth Proportional to 8,817.56, 13,222.43 and 4,133.78

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Solution

The fourth proportional to 8,817.56, 13,222.43 and 4,133.78 is: 6,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.56 : 13,222.43 = 4,133.78 : x
  2. Step 2: Convert to fraction form
    8,817.56/13,222.43 = 4,133.78/x
  3. Step 3: Cross multiply
    8,817.56x = 13,222.43 × 4,133.78
  4. Step 4: Simplify right side
    8,817.56x = 54,658,629.07
  5. Step 5: Solve for x
    x = 54,658,629.07/8,817.56
  6. Step 6: Final answer
    x = 6,198.84

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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.