Home / 4,418.40-6,623.36-1,644.32

Finding the Fourth Proportional to 4,418.40, 6,623.36 and 1,644.32

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Solution

The fourth proportional to 4,418.40, 6,623.36 and 1,644.32 is: 2,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.40 : 6,623.36 = 1,644.32 : x
  2. Step 2: Convert to fraction form
    4,418.40/6,623.36 = 1,644.32/x
  3. Step 3: Cross multiply
    4,418.40x = 6,623.36 × 1,644.32
  4. Step 4: Simplify right side
    4,418.40x = 10,890,923.32
  5. Step 5: Solve for x
    x = 10,890,923.32/4,418.40
  6. Step 6: Final answer
    x = 2,464.90

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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.