Home / 4,771.55-6,584.91-2,781.79

Finding the Fourth Proportional to 4,771.55, 6,584.91 and 2,781.79

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Solution

The fourth proportional to 4,771.55, 6,584.91 and 2,781.79 is: 3,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.55 : 6,584.91 = 2,781.79 : x
  2. Step 2: Convert to fraction form
    4,771.55/6,584.91 = 2,781.79/x
  3. Step 3: Cross multiply
    4,771.55x = 6,584.91 × 2,781.79
  4. Step 4: Simplify right side
    4,771.55x = 18,317,836.79
  5. Step 5: Solve for x
    x = 18,317,836.79/4,771.55
  6. Step 6: Final answer
    x = 3,838.97

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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.