Home / 10,504.79-15,757.16-4,879.38

Finding the Fourth Proportional to 10,504.79, 15,757.16 and 4,879.38

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Solution

The fourth proportional to 10,504.79, 15,757.16 and 4,879.38 is: 7,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.79 : 15,757.16 = 4,879.38 : x
  2. Step 2: Convert to fraction form
    10,504.79/15,757.16 = 4,879.38/x
  3. Step 3: Cross multiply
    10,504.79x = 15,757.16 × 4,879.38
  4. Step 4: Simplify right side
    10,504.79x = 76,885,183.56
  5. Step 5: Solve for x
    x = 76,885,183.56/10,504.79
  6. Step 6: Final answer
    x = 7,319.06

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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.