Home / 4,879.45-7,313.93-2,107.43

Finding the Fourth Proportional to 4,879.45, 7,313.93 and 2,107.43

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Solution

The fourth proportional to 4,879.45, 7,313.93 and 2,107.43 is: 3,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.45 : 7,313.93 = 2,107.43 : x
  2. Step 2: Convert to fraction form
    4,879.45/7,313.93 = 2,107.43/x
  3. Step 3: Cross multiply
    4,879.45x = 7,313.93 × 2,107.43
  4. Step 4: Simplify right side
    4,879.45x = 15,413,595.50
  5. Step 5: Solve for x
    x = 15,413,595.50/4,879.45
  6. Step 6: Final answer
    x = 3,158.88

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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.