Home / 4,971.28-7,456.74-1,273.54

Finding the Fourth Proportional to 4,971.28, 7,456.74 and 1,273.54

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Solution

The fourth proportional to 4,971.28, 7,456.74 and 1,273.54 is: 1,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.28 : 7,456.74 = 1,273.54 : x
  2. Step 2: Convert to fraction form
    4,971.28/7,456.74 = 1,273.54/x
  3. Step 3: Cross multiply
    4,971.28x = 7,456.74 × 1,273.54
  4. Step 4: Simplify right side
    4,971.28x = 9,496,467.57
  5. Step 5: Solve for x
    x = 9,496,467.57/4,971.28
  6. Step 6: Final answer
    x = 1,910.27

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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.