Home / 7,879.26-11,814.57-2,683.74

Finding the Fourth Proportional to 7,879.26, 11,814.57 and 2,683.74

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Solution

The fourth proportional to 7,879.26, 11,814.57 and 2,683.74 is: 4,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.26 : 11,814.57 = 2,683.74 : x
  2. Step 2: Convert to fraction form
    7,879.26/11,814.57 = 2,683.74/x
  3. Step 3: Cross multiply
    7,879.26x = 11,814.57 × 2,683.74
  4. Step 4: Simplify right side
    7,879.26x = 31,707,234.09
  5. Step 5: Solve for x
    x = 31,707,234.09/7,879.26
  6. Step 6: Final answer
    x = 4,024.14

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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.