Home / 4,841.80-7,262.62-2,105.80

Finding the Fourth Proportional to 4,841.80, 7,262.62 and 2,105.80

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Solution

The fourth proportional to 4,841.80, 7,262.62 and 2,105.80 is: 3,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.80 : 7,262.62 = 2,105.80 : x
  2. Step 2: Convert to fraction form
    4,841.80/7,262.62 = 2,105.80/x
  3. Step 3: Cross multiply
    4,841.80x = 7,262.62 × 2,105.80
  4. Step 4: Simplify right side
    4,841.80x = 15,293,625.20
  5. Step 5: Solve for x
    x = 15,293,625.20/4,841.80
  6. Step 6: Final answer
    x = 3,158.67

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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.