Home / 4,879.13-7,318.43-1,369.37

Finding the Fourth Proportional to 4,879.13, 7,318.43 and 1,369.37

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Solution

The fourth proportional to 4,879.13, 7,318.43 and 1,369.37 is: 2,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.13 : 7,318.43 = 1,369.37 : x
  2. Step 2: Convert to fraction form
    4,879.13/7,318.43 = 1,369.37/x
  3. Step 3: Cross multiply
    4,879.13x = 7,318.43 × 1,369.37
  4. Step 4: Simplify right side
    4,879.13x = 10,021,655.07
  5. Step 5: Solve for x
    x = 10,021,655.07/4,879.13
  6. Step 6: Final answer
    x = 2,053.99

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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.