Home / 6,928.75-10,390.05-1,997.26

Finding the Fourth Proportional to 6,928.75, 10,390.05 and 1,997.26

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Solution

The fourth proportional to 6,928.75, 10,390.05 and 1,997.26 is: 2,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.75 : 10,390.05 = 1,997.26 : x
  2. Step 2: Convert to fraction form
    6,928.75/10,390.05 = 1,997.26/x
  3. Step 3: Cross multiply
    6,928.75x = 10,390.05 × 1,997.26
  4. Step 4: Simplify right side
    6,928.75x = 20,751,631.26
  5. Step 5: Solve for x
    x = 20,751,631.26/6,928.75
  6. Step 6: Final answer
    x = 2,995.00

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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.