Home / 8,180.75-12,270.44-4,891.44

Finding the Fourth Proportional to 8,180.75, 12,270.44 and 4,891.44

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Solution

The fourth proportional to 8,180.75, 12,270.44 and 4,891.44 is: 7,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.75 : 12,270.44 = 4,891.44 : x
  2. Step 2: Convert to fraction form
    8,180.75/12,270.44 = 4,891.44/x
  3. Step 3: Cross multiply
    8,180.75x = 12,270.44 × 4,891.44
  4. Step 4: Simplify right side
    8,180.75x = 60,020,082.74
  5. Step 5: Solve for x
    x = 60,020,082.74/8,180.75
  6. Step 6: Final answer
    x = 7,336.75

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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.