Home / 4,939.66-6,816.63-2,950.21

Finding the Fourth Proportional to 4,939.66, 6,816.63 and 2,950.21

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Solution

The fourth proportional to 4,939.66, 6,816.63 and 2,950.21 is: 4,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.66 : 6,816.63 = 2,950.21 : x
  2. Step 2: Convert to fraction form
    4,939.66/6,816.63 = 2,950.21/x
  3. Step 3: Cross multiply
    4,939.66x = 6,816.63 × 2,950.21
  4. Step 4: Simplify right side
    4,939.66x = 20,110,489.99
  5. Step 5: Solve for x
    x = 20,110,489.99/4,939.66
  6. Step 6: Final answer
    x = 4,071.23

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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.