Home / 4,911.41-6,776.58-2,786.47

Finding the Fourth Proportional to 4,911.41, 6,776.58 and 2,786.47

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Solution

The fourth proportional to 4,911.41, 6,776.58 and 2,786.47 is: 3,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.41 : 6,776.58 = 2,786.47 : x
  2. Step 2: Convert to fraction form
    4,911.41/6,776.58 = 2,786.47/x
  3. Step 3: Cross multiply
    4,911.41x = 6,776.58 × 2,786.47
  4. Step 4: Simplify right side
    4,911.41x = 18,882,736.87
  5. Step 5: Solve for x
    x = 18,882,736.87/4,911.41
  6. Step 6: Final answer
    x = 3,844.67

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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.