Home / 6,879.48-10,319.05-1,949.06

Finding the Fourth Proportional to 6,879.48, 10,319.05 and 1,949.06

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Solution

The fourth proportional to 6,879.48, 10,319.05 and 1,949.06 is: 2,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.48 : 10,319.05 = 1,949.06 : x
  2. Step 2: Convert to fraction form
    6,879.48/10,319.05 = 1,949.06/x
  3. Step 3: Cross multiply
    6,879.48x = 10,319.05 × 1,949.06
  4. Step 4: Simplify right side
    6,879.48x = 20,112,464.86
  5. Step 5: Solve for x
    x = 20,112,464.86/6,879.48
  6. Step 6: Final answer
    x = 2,923.54

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1.5x scale

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.