Home / 4,928.64-7,394.88-2,739.84

Finding the Fourth Proportional to 4,928.64, 7,394.88 and 2,739.84

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Solution

The fourth proportional to 4,928.64, 7,394.88 and 2,739.84 is: 4,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.64 : 7,394.88 = 2,739.84 : x
  2. Step 2: Convert to fraction form
    4,928.64/7,394.88 = 2,739.84/x
  3. Step 3: Cross multiply
    4,928.64x = 7,394.88 × 2,739.84
  4. Step 4: Simplify right side
    4,928.64x = 20,260,788.02
  5. Step 5: Solve for x
    x = 20,260,788.02/4,928.64
  6. Step 6: Final answer
    x = 4,110.83

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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.