Home / 4,790.76-7,190.84-3,148.48

Finding the Fourth Proportional to 4,790.76, 7,190.84 and 3,148.48

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Solution

The fourth proportional to 4,790.76, 7,190.84 and 3,148.48 is: 4,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.76 : 7,190.84 = 3,148.48 : x
  2. Step 2: Convert to fraction form
    4,790.76/7,190.84 = 3,148.48/x
  3. Step 3: Cross multiply
    4,790.76x = 7,190.84 × 3,148.48
  4. Step 4: Simplify right side
    4,790.76x = 22,640,215.92
  5. Step 5: Solve for x
    x = 22,640,215.92/4,790.76
  6. Step 6: Final answer
    x = 4,725.81

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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.