Home / 5,423.94-8,135.91-3,778.74

Finding the Fourth Proportional to 5,423.94, 8,135.91 and 3,778.74

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Solution

The fourth proportional to 5,423.94, 8,135.91 and 3,778.74 is: 5,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.94 : 8,135.91 = 3,778.74 : x
  2. Step 2: Convert to fraction form
    5,423.94/8,135.91 = 3,778.74/x
  3. Step 3: Cross multiply
    5,423.94x = 8,135.91 × 3,778.74
  4. Step 4: Simplify right side
    5,423.94x = 30,743,488.55
  5. Step 5: Solve for x
    x = 30,743,488.55/5,423.94
  6. Step 6: Final answer
    x = 5,668.11

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Similar ratio
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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.