Home / 4,890.70-6,749.04-2,794.69

Finding the Fourth Proportional to 4,890.70, 6,749.04 and 2,794.69

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Solution

The fourth proportional to 4,890.70, 6,749.04 and 2,794.69 is: 3,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.70 : 6,749.04 = 2,794.69 : x
  2. Step 2: Convert to fraction form
    4,890.70/6,749.04 = 2,794.69/x
  3. Step 3: Cross multiply
    4,890.70x = 6,749.04 × 2,794.69
  4. Step 4: Simplify right side
    4,890.70x = 18,861,474.60
  5. Step 5: Solve for x
    x = 18,861,474.60/4,890.70
  6. Step 6: Final answer
    x = 3,856.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.