Home / 4,830.40-7,229.40-3,372.40

Finding the Fourth Proportional to 4,830.40, 7,229.40 and 3,372.40

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Solution

The fourth proportional to 4,830.40, 7,229.40 and 3,372.40 is: 5,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 7,229.40 = 3,372.40 : x
  2. Step 2: Convert to fraction form
    4,830.40/7,229.40 = 3,372.40/x
  3. Step 3: Cross multiply
    4,830.40x = 7,229.40 × 3,372.40
  4. Step 4: Simplify right side
    4,830.40x = 24,380,428.56
  5. Step 5: Solve for x
    x = 24,380,428.56/4,830.40
  6. Step 6: Final answer
    x = 5,047.29

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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.