Home / 4,741.92-7,108.52-1,819.64

Finding the Fourth Proportional to 4,741.92, 7,108.52 and 1,819.64

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Solution

The fourth proportional to 4,741.92, 7,108.52 and 1,819.64 is: 2,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.92 : 7,108.52 = 1,819.64 : x
  2. Step 2: Convert to fraction form
    4,741.92/7,108.52 = 1,819.64/x
  3. Step 3: Cross multiply
    4,741.92x = 7,108.52 × 1,819.64
  4. Step 4: Simplify right side
    4,741.92x = 12,934,947.33
  5. Step 5: Solve for x
    x = 12,934,947.33/4,741.92
  6. Step 6: Final answer
    x = 2,727.79

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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.