Home / 4,829.40-7,241.40-2,229.12

Finding the Fourth Proportional to 4,829.40, 7,241.40 and 2,229.12

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Solution

The fourth proportional to 4,829.40, 7,241.40 and 2,229.12 is: 3,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.40 : 7,241.40 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    4,829.40/7,241.40 = 2,229.12/x
  3. Step 3: Cross multiply
    4,829.40x = 7,241.40 × 2,229.12
  4. Step 4: Simplify right side
    4,829.40x = 16,141,949.57
  5. Step 5: Solve for x
    x = 16,141,949.57/4,829.40
  6. Step 6: Final answer
    x = 3,342.43

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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.