Home / 4,976.45-7,465.66-1,644.57

Finding the Fourth Proportional to 4,976.45, 7,465.66 and 1,644.57

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Solution

The fourth proportional to 4,976.45, 7,465.66 and 1,644.57 is: 2,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.45 : 7,465.66 = 1,644.57 : x
  2. Step 2: Convert to fraction form
    4,976.45/7,465.66 = 1,644.57/x
  3. Step 3: Cross multiply
    4,976.45x = 7,465.66 × 1,644.57
  4. Step 4: Simplify right side
    4,976.45x = 12,277,785.44
  5. Step 5: Solve for x
    x = 12,277,785.44/4,976.45
  6. Step 6: Final answer
    x = 2,467.18

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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.