Home / 7,379.71-11,063.54-3,433.43

Finding the Fourth Proportional to 7,379.71, 11,063.54 and 3,433.43

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Solution

The fourth proportional to 7,379.71, 11,063.54 and 3,433.43 is: 5,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.71 : 11,063.54 = 3,433.43 : x
  2. Step 2: Convert to fraction form
    7,379.71/11,063.54 = 3,433.43/x
  3. Step 3: Cross multiply
    7,379.71x = 11,063.54 × 3,433.43
  4. Step 4: Simplify right side
    7,379.71x = 37,985,890.14
  5. Step 5: Solve for x
    x = 37,985,890.14/7,379.71
  6. Step 6: Final answer
    x = 5,147.34

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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.