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Finding the Fourth Proportional to 4,450.04, 6,661.04 and 3,980.44

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Solution

The fourth proportional to 4,450.04, 6,661.04 and 3,980.44 is: 5,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.04 : 6,661.04 = 3,980.44 : x
  2. Step 2: Convert to fraction form
    4,450.04/6,661.04 = 3,980.44/x
  3. Step 3: Cross multiply
    4,450.04x = 6,661.04 × 3,980.44
  4. Step 4: Simplify right side
    4,450.04x = 26,513,858.48
  5. Step 5: Solve for x
    x = 26,513,858.48/4,450.04
  6. Step 6: Final answer
    x = 5,958.12

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1.5x scale

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.