Home / 4,879.67-6,731.79-3,834.77

Finding the Fourth Proportional to 4,879.67, 6,731.79 and 3,834.77

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Solution

The fourth proportional to 4,879.67, 6,731.79 and 3,834.77 is: 5,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.67 : 6,731.79 = 3,834.77 : x
  2. Step 2: Convert to fraction form
    4,879.67/6,731.79 = 3,834.77/x
  3. Step 3: Cross multiply
    4,879.67x = 6,731.79 × 3,834.77
  4. Step 4: Simplify right side
    4,879.67x = 25,814,866.34
  5. Step 5: Solve for x
    x = 25,814,866.34/4,879.67
  6. Step 6: Final answer
    x = 5,290.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.