Home / 4,940.38-6,816.72-2,950.21

Finding the Fourth Proportional to 4,940.38, 6,816.72 and 2,950.21

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Solution

The fourth proportional to 4,940.38, 6,816.72 and 2,950.21 is: 4,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.38 : 6,816.72 = 2,950.21 : x
  2. Step 2: Convert to fraction form
    4,940.38/6,816.72 = 2,950.21/x
  3. Step 3: Cross multiply
    4,940.38x = 6,816.72 × 2,950.21
  4. Step 4: Simplify right side
    4,940.38x = 20,110,755.51
  5. Step 5: Solve for x
    x = 20,110,755.51/4,940.38
  6. Step 6: Final answer
    x = 4,070.69

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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.