Home / 5,211.08-7,809.34-3,743.36

Finding the Fourth Proportional to 5,211.08, 7,809.34 and 3,743.36

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Solution

The fourth proportional to 5,211.08, 7,809.34 and 3,743.36 is: 5,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.08 : 7,809.34 = 3,743.36 : x
  2. Step 2: Convert to fraction form
    5,211.08/7,809.34 = 3,743.36/x
  3. Step 3: Cross multiply
    5,211.08x = 7,809.34 × 3,743.36
  4. Step 4: Simplify right side
    5,211.08x = 29,233,170.98
  5. Step 5: Solve for x
    x = 29,233,170.98/5,211.08
  6. Step 6: Final answer
    x = 5,609.81

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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.