Home / 4,879.59-7,318.91-1,369.28

Finding the Fourth Proportional to 4,879.59, 7,318.91 and 1,369.28

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Solution

The fourth proportional to 4,879.59, 7,318.91 and 1,369.28 is: 2,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.59 : 7,318.91 = 1,369.28 : x
  2. Step 2: Convert to fraction form
    4,879.59/7,318.91 = 1,369.28/x
  3. Step 3: Cross multiply
    4,879.59x = 7,318.91 × 1,369.28
  4. Step 4: Simplify right side
    4,879.59x = 10,021,593.64
  5. Step 5: Solve for x
    x = 10,021,593.64/4,879.59
  6. Step 6: Final answer
    x = 2,053.78

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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.