Home / 6,928.98-10,391.91-1,997.52

Finding the Fourth Proportional to 6,928.98, 10,391.91 and 1,997.52

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Solution

The fourth proportional to 6,928.98, 10,391.91 and 1,997.52 is: 2,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.98 : 10,391.91 = 1,997.52 : x
  2. Step 2: Convert to fraction form
    6,928.98/10,391.91 = 1,997.52/x
  3. Step 3: Cross multiply
    6,928.98x = 10,391.91 × 1,997.52
  4. Step 4: Simplify right side
    6,928.98x = 20,758,048.06
  5. Step 5: Solve for x
    x = 20,758,048.06/6,928.98
  6. Step 6: Final answer
    x = 2,995.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.