Home / 6,928.32-10,396.80-2,767.68

Finding the Fourth Proportional to 6,928.32, 10,396.80 and 2,767.68

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Solution

The fourth proportional to 6,928.32, 10,396.80 and 2,767.68 is: 4,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.32 : 10,396.80 = 2,767.68 : x
  2. Step 2: Convert to fraction form
    6,928.32/10,396.80 = 2,767.68/x
  3. Step 3: Cross multiply
    6,928.32x = 10,396.80 × 2,767.68
  4. Step 4: Simplify right side
    6,928.32x = 28,775,015.42
  5. Step 5: Solve for x
    x = 28,775,015.42/6,928.32
  6. Step 6: Final answer
    x = 4,153.25

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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.