Home / 4,213.54-6,320.31-1,438.82

Finding the Fourth Proportional to 4,213.54, 6,320.31 and 1,438.82

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Solution

The fourth proportional to 4,213.54, 6,320.31 and 1,438.82 is: 2,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.54 : 6,320.31 = 1,438.82 : x
  2. Step 2: Convert to fraction form
    4,213.54/6,320.31 = 1,438.82/x
  3. Step 3: Cross multiply
    4,213.54x = 6,320.31 × 1,438.82
  4. Step 4: Simplify right side
    4,213.54x = 9,093,788.43
  5. Step 5: Solve for x
    x = 9,093,788.43/4,213.54
  6. Step 6: Final answer
    x = 2,158.23

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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.