Home / 4,396.87-6,589.36-1,620.93

Finding the Fourth Proportional to 4,396.87, 6,589.36 and 1,620.93

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Solution

The fourth proportional to 4,396.87, 6,589.36 and 1,620.93 is: 2,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.87 : 6,589.36 = 1,620.93 : x
  2. Step 2: Convert to fraction form
    4,396.87/6,589.36 = 1,620.93/x
  3. Step 3: Cross multiply
    4,396.87x = 6,589.36 × 1,620.93
  4. Step 4: Simplify right side
    4,396.87x = 10,680,891.30
  5. Step 5: Solve for x
    x = 10,680,891.30/4,396.87
  6. Step 6: Final answer
    x = 2,429.20

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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.