Home / 4,848.96-7,270.48-1,928.64

Finding the Fourth Proportional to 4,848.96, 7,270.48 and 1,928.64

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Solution

The fourth proportional to 4,848.96, 7,270.48 and 1,928.64 is: 2,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.96 : 7,270.48 = 1,928.64 : x
  2. Step 2: Convert to fraction form
    4,848.96/7,270.48 = 1,928.64/x
  3. Step 3: Cross multiply
    4,848.96x = 7,270.48 × 1,928.64
  4. Step 4: Simplify right side
    4,848.96x = 14,022,138.55
  5. Step 5: Solve for x
    x = 14,022,138.55/4,848.96
  6. Step 6: Final answer
    x = 2,891.78

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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.