Home / 4,940.69-6,818.61-2,816.87

Finding the Fourth Proportional to 4,940.69, 6,818.61 and 2,816.87

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Solution

The fourth proportional to 4,940.69, 6,818.61 and 2,816.87 is: 3,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.69 : 6,818.61 = 2,816.87 : x
  2. Step 2: Convert to fraction form
    4,940.69/6,818.61 = 2,816.87/x
  3. Step 3: Cross multiply
    4,940.69x = 6,818.61 × 2,816.87
  4. Step 4: Simplify right side
    4,940.69x = 19,207,137.95
  5. Step 5: Solve for x
    x = 19,207,137.95/4,940.69
  6. Step 6: Final answer
    x = 3,887.54

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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.