Home / 6,879.18-10,312.68-2,982.26

Finding the Fourth Proportional to 6,879.18, 10,312.68 and 2,982.26

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Solution

The fourth proportional to 6,879.18, 10,312.68 and 2,982.26 is: 4,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.18 : 10,312.68 = 2,982.26 : x
  2. Step 2: Convert to fraction form
    6,879.18/10,312.68 = 2,982.26/x
  3. Step 3: Cross multiply
    6,879.18x = 10,312.68 × 2,982.26
  4. Step 4: Simplify right side
    6,879.18x = 30,755,093.06
  5. Step 5: Solve for x
    x = 30,755,093.06/6,879.18
  6. Step 6: Final answer
    x = 4,470.75

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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.