Home / 5,169.30-7,749.60-2,245.41

Finding the Fourth Proportional to 5,169.30, 7,749.60 and 2,245.41

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Solution

The fourth proportional to 5,169.30, 7,749.60 and 2,245.41 is: 3,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.30 : 7,749.60 = 2,245.41 : x
  2. Step 2: Convert to fraction form
    5,169.30/7,749.60 = 2,245.41/x
  3. Step 3: Cross multiply
    5,169.30x = 7,749.60 × 2,245.41
  4. Step 4: Simplify right side
    5,169.30x = 17,401,029.34
  5. Step 5: Solve for x
    x = 17,401,029.34/5,169.30
  6. Step 6: Final answer
    x = 3,366.23

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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.