Home / 4,003.06-5,522.46-3,817.78

Finding the Fourth Proportional to 4,003.06, 5,522.46 and 3,817.78

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Solution

The fourth proportional to 4,003.06, 5,522.46 and 3,817.78 is: 5,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.06 : 5,522.46 = 3,817.78 : x
  2. Step 2: Convert to fraction form
    4,003.06/5,522.46 = 3,817.78/x
  3. Step 3: Cross multiply
    4,003.06x = 5,522.46 × 3,817.78
  4. Step 4: Simplify right side
    4,003.06x = 21,083,537.34
  5. Step 5: Solve for x
    x = 21,083,537.34/4,003.06
  6. Step 6: Final answer
    x = 5,266.86

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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.