Home / 4,940.63-6,816.79-2,950.31

Finding the Fourth Proportional to 4,940.63, 6,816.79 and 2,950.31

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Solution

The fourth proportional to 4,940.63, 6,816.79 and 2,950.31 is: 4,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.63 : 6,816.79 = 2,950.31 : x
  2. Step 2: Convert to fraction form
    4,940.63/6,816.79 = 2,950.31/x
  3. Step 3: Cross multiply
    4,940.63x = 6,816.79 × 2,950.31
  4. Step 4: Simplify right side
    4,940.63x = 20,111,643.70
  5. Step 5: Solve for x
    x = 20,111,643.70/4,940.63
  6. Step 6: Final answer
    x = 4,070.66

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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.