Home / 4,302.20-6,453.78-1,379.48

Finding the Fourth Proportional to 4,302.20, 6,453.78 and 1,379.48

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Solution

The fourth proportional to 4,302.20, 6,453.78 and 1,379.48 is: 2,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.20 : 6,453.78 = 1,379.48 : x
  2. Step 2: Convert to fraction form
    4,302.20/6,453.78 = 1,379.48/x
  3. Step 3: Cross multiply
    4,302.20x = 6,453.78 × 1,379.48
  4. Step 4: Simplify right side
    4,302.20x = 8,902,860.43
  5. Step 5: Solve for x
    x = 8,902,860.43/4,302.20
  6. Step 6: Final answer
    x = 2,069.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.