Home / 4,520.96-6,781.44-3,427.28

Finding the Fourth Proportional to 4,520.96, 6,781.44 and 3,427.28

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Solution

The fourth proportional to 4,520.96, 6,781.44 and 3,427.28 is: 5,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.96 : 6,781.44 = 3,427.28 : x
  2. Step 2: Convert to fraction form
    4,520.96/6,781.44 = 3,427.28/x
  3. Step 3: Cross multiply
    4,520.96x = 6,781.44 × 3,427.28
  4. Step 4: Simplify right side
    4,520.96x = 23,241,893.68
  5. Step 5: Solve for x
    x = 23,241,893.68/4,520.96
  6. Step 6: Final answer
    x = 5,140.92

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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.