Home / 4,072.56-6,103.37-2,220.90

Finding the Fourth Proportional to 4,072.56, 6,103.37 and 2,220.90

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Solution

The fourth proportional to 4,072.56, 6,103.37 and 2,220.90 is: 3,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.56 : 6,103.37 = 2,220.90 : x
  2. Step 2: Convert to fraction form
    4,072.56/6,103.37 = 2,220.90/x
  3. Step 3: Cross multiply
    4,072.56x = 6,103.37 × 2,220.90
  4. Step 4: Simplify right side
    4,072.56x = 13,554,963.33
  5. Step 5: Solve for x
    x = 13,554,963.33/4,072.56
  6. Step 6: Final answer
    x = 3,328.36

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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.