Home / 4,747.03-7,119.73-2,149.36

Finding the Fourth Proportional to 4,747.03, 7,119.73 and 2,149.36

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Solution

The fourth proportional to 4,747.03, 7,119.73 and 2,149.36 is: 3,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.03 : 7,119.73 = 2,149.36 : x
  2. Step 2: Convert to fraction form
    4,747.03/7,119.73 = 2,149.36/x
  3. Step 3: Cross multiply
    4,747.03x = 7,119.73 × 2,149.36
  4. Step 4: Simplify right side
    4,747.03x = 15,302,862.87
  5. Step 5: Solve for x
    x = 15,302,862.87/4,747.03
  6. Step 6: Final answer
    x = 3,223.67

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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.