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Finding the Fourth Proportional to 4,449, 6,674.66 and 1,329.01

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Solution

The fourth proportional to 4,449, 6,674.66 and 1,329.01 is: 1,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449 : 6,674.66 = 1,329.01 : x
  2. Step 2: Convert to fraction form
    4,449/6,674.66 = 1,329.01/x
  3. Step 3: Cross multiply
    4,449x = 6,674.66 × 1,329.01
  4. Step 4: Simplify right side
    4,449x = 8,870,689.89
  5. Step 5: Solve for x
    x = 8,870,689.89/4,449
  6. Step 6: Final answer
    x = 1,993.86

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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.