Home / 4,879.73-7,313.45-2,103.62

Finding the Fourth Proportional to 4,879.73, 7,313.45 and 2,103.62

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Solution

The fourth proportional to 4,879.73, 7,313.45 and 2,103.62 is: 3,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.73 : 7,313.45 = 2,103.62 : x
  2. Step 2: Convert to fraction form
    4,879.73/7,313.45 = 2,103.62/x
  3. Step 3: Cross multiply
    4,879.73x = 7,313.45 × 2,103.62
  4. Step 4: Simplify right side
    4,879.73x = 15,384,672.60
  5. Step 5: Solve for x
    x = 15,384,672.60/4,879.73
  6. Step 6: Final answer
    x = 3,152.77

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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.