Home / 4,221.44-5,822.26-3,938.50

Finding the Fourth Proportional to 4,221.44, 5,822.26 and 3,938.50

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Solution

The fourth proportional to 4,221.44, 5,822.26 and 3,938.50 is: 5,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.44 : 5,822.26 = 3,938.50 : x
  2. Step 2: Convert to fraction form
    4,221.44/5,822.26 = 3,938.50/x
  3. Step 3: Cross multiply
    4,221.44x = 5,822.26 × 3,938.50
  4. Step 4: Simplify right side
    4,221.44x = 22,930,971.01
  5. Step 5: Solve for x
    x = 22,930,971.01/4,221.44
  6. Step 6: Final answer
    x = 5,432.03

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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.