Home / 7,163.49-10,740.87-3,213.99

Finding the Fourth Proportional to 7,163.49, 10,740.87 and 3,213.99

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Solution

The fourth proportional to 7,163.49, 10,740.87 and 3,213.99 is: 4,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.49 : 10,740.87 = 3,213.99 : x
  2. Step 2: Convert to fraction form
    7,163.49/10,740.87 = 3,213.99/x
  3. Step 3: Cross multiply
    7,163.49x = 10,740.87 × 3,213.99
  4. Step 4: Simplify right side
    7,163.49x = 34,521,048.77
  5. Step 5: Solve for x
    x = 34,521,048.77/7,163.49
  6. Step 6: Final answer
    x = 4,819.03

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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.