Home / 4,252.56-6,376.32-1,620.27

Finding the Fourth Proportional to 4,252.56, 6,376.32 and 1,620.27

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Solution

The fourth proportional to 4,252.56, 6,376.32 and 1,620.27 is: 2,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.56 : 6,376.32 = 1,620.27 : x
  2. Step 2: Convert to fraction form
    4,252.56/6,376.32 = 1,620.27/x
  3. Step 3: Cross multiply
    4,252.56x = 6,376.32 × 1,620.27
  4. Step 4: Simplify right side
    4,252.56x = 10,331,360.01
  5. Step 5: Solve for x
    x = 10,331,360.01/4,252.56
  6. Step 6: Final answer
    x = 2,429.44

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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.