Home / 4,826.85-7,239.19-2,879.61

Finding the Fourth Proportional to 4,826.85, 7,239.19 and 2,879.61

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Solution

The fourth proportional to 4,826.85, 7,239.19 and 2,879.61 is: 4,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.85 : 7,239.19 = 2,879.61 : x
  2. Step 2: Convert to fraction form
    4,826.85/7,239.19 = 2,879.61/x
  3. Step 3: Cross multiply
    4,826.85x = 7,239.19 × 2,879.61
  4. Step 4: Simplify right side
    4,826.85x = 20,846,043.92
  5. Step 5: Solve for x
    x = 20,846,043.92/4,826.85
  6. Step 6: Final answer
    x = 4,318.77

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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.