Home / 6,879.12-10,318.74-1,948.83

Finding the Fourth Proportional to 6,879.12, 10,318.74 and 1,948.83

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Solution

The fourth proportional to 6,879.12, 10,318.74 and 1,948.83 is: 2,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.12 : 10,318.74 = 1,948.83 : x
  2. Step 2: Convert to fraction form
    6,879.12/10,318.74 = 1,948.83/x
  3. Step 3: Cross multiply
    6,879.12x = 10,318.74 × 1,948.83
  4. Step 4: Simplify right side
    6,879.12x = 20,109,470.07
  5. Step 5: Solve for x
    x = 20,109,470.07/6,879.12
  6. Step 6: Final answer
    x = 2,923.26

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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.