Home / 4,940.45-6,813.88-4,196.87

Finding the Fourth Proportional to 4,940.45, 6,813.88 and 4,196.87

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Solution

The fourth proportional to 4,940.45, 6,813.88 and 4,196.87 is: 5,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.45 : 6,813.88 = 4,196.87 : x
  2. Step 2: Convert to fraction form
    4,940.45/6,813.88 = 4,196.87/x
  3. Step 3: Cross multiply
    4,940.45x = 6,813.88 × 4,196.87
  4. Step 4: Simplify right side
    4,940.45x = 28,596,923.99
  5. Step 5: Solve for x
    x = 28,596,923.99/4,940.45
  6. Step 6: Final answer
    x = 5,788.33

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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.