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Finding the Fourth Proportional to 4,409.40, 6,627 and 3,673.71

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Solution

The fourth proportional to 4,409.40, 6,627 and 3,673.71 is: 5,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.40 : 6,627 = 3,673.71 : x
  2. Step 2: Convert to fraction form
    4,409.40/6,627 = 3,673.71/x
  3. Step 3: Cross multiply
    4,409.40x = 6,627 × 3,673.71
  4. Step 4: Simplify right side
    4,409.40x = 24,345,676.17
  5. Step 5: Solve for x
    x = 24,345,676.17/4,409.40
  6. Step 6: Final answer
    x = 5,521.31

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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.