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Finding the Fourth Proportional to 4,640.88, 6,410.04 and 3,379.94

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Solution

The fourth proportional to 4,640.88, 6,410.04 and 3,379.94 is: 4,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.88 : 6,410.04 = 3,379.94 : x
  2. Step 2: Convert to fraction form
    4,640.88/6,410.04 = 3,379.94/x
  3. Step 3: Cross multiply
    4,640.88x = 6,410.04 × 3,379.94
  4. Step 4: Simplify right side
    4,640.88x = 21,665,550.60
  5. Step 5: Solve for x
    x = 21,665,550.60/4,640.88
  6. Step 6: Final answer
    x = 4,668.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.