Home / 4,891.45-6,746.68-3,379.54

Finding the Fourth Proportional to 4,891.45, 6,746.68 and 3,379.54

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Solution

The fourth proportional to 4,891.45, 6,746.68 and 3,379.54 is: 4,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.45 : 6,746.68 = 3,379.54 : x
  2. Step 2: Convert to fraction form
    4,891.45/6,746.68 = 3,379.54/x
  3. Step 3: Cross multiply
    4,891.45x = 6,746.68 × 3,379.54
  4. Step 4: Simplify right side
    4,891.45x = 22,800,674.93
  5. Step 5: Solve for x
    x = 22,800,674.93/4,891.45
  6. Step 6: Final answer
    x = 4,661.33

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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.