Home / 6,928.08-10,392.05-1,997.69

Finding the Fourth Proportional to 6,928.08, 10,392.05 and 1,997.69

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Solution

The fourth proportional to 6,928.08, 10,392.05 and 1,997.69 is: 2,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.08 : 10,392.05 = 1,997.69 : x
  2. Step 2: Convert to fraction form
    6,928.08/10,392.05 = 1,997.69/x
  3. Step 3: Cross multiply
    6,928.08x = 10,392.05 × 1,997.69
  4. Step 4: Simplify right side
    6,928.08x = 20,760,032.42
  5. Step 5: Solve for x
    x = 20,760,032.42/6,928.08
  6. Step 6: Final answer
    x = 2,996.51

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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.