Home / 5,238.69-7,853.18-2,771.43

Finding the Fourth Proportional to 5,238.69, 7,853.18 and 2,771.43

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Solution

The fourth proportional to 5,238.69, 7,853.18 and 2,771.43 is: 4,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.69 : 7,853.18 = 2,771.43 : x
  2. Step 2: Convert to fraction form
    5,238.69/7,853.18 = 2,771.43/x
  3. Step 3: Cross multiply
    5,238.69x = 7,853.18 × 2,771.43
  4. Step 4: Simplify right side
    5,238.69x = 21,764,524.79
  5. Step 5: Solve for x
    x = 21,764,524.79/5,238.69
  6. Step 6: Final answer
    x = 4,154.57

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1.5x scale

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.