Home / 5,021.27-6,928.69-2,896.88

Finding the Fourth Proportional to 5,021.27, 6,928.69 and 2,896.88

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Solution

The fourth proportional to 5,021.27, 6,928.69 and 2,896.88 is: 3,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.27 : 6,928.69 = 2,896.88 : x
  2. Step 2: Convert to fraction form
    5,021.27/6,928.69 = 2,896.88/x
  3. Step 3: Cross multiply
    5,021.27x = 6,928.69 × 2,896.88
  4. Step 4: Simplify right side
    5,021.27x = 20,071,583.49
  5. Step 5: Solve for x
    x = 20,071,583.49/5,021.27
  6. Step 6: Final answer
    x = 3,997.31

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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.