Home / 4,879.13-7,318.71-1,959.49

Finding the Fourth Proportional to 4,879.13, 7,318.71 and 1,959.49

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Solution

The fourth proportional to 4,879.13, 7,318.71 and 1,959.49 is: 2,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.13 : 7,318.71 = 1,959.49 : x
  2. Step 2: Convert to fraction form
    4,879.13/7,318.71 = 1,959.49/x
  3. Step 3: Cross multiply
    4,879.13x = 7,318.71 × 1,959.49
  4. Step 4: Simplify right side
    4,879.13x = 14,340,939.06
  5. Step 5: Solve for x
    x = 14,340,939.06/4,879.13
  6. Step 6: Final answer
    x = 2,939.24

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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.