Home / 6,774.08-10,143.32-5,450.80

Finding the Fourth Proportional to 6,774.08, 10,143.32 and 5,450.80

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Solution

The fourth proportional to 6,774.08, 10,143.32 and 5,450.80 is: 8,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.08 : 10,143.32 = 5,450.80 : x
  2. Step 2: Convert to fraction form
    6,774.08/10,143.32 = 5,450.80/x
  3. Step 3: Cross multiply
    6,774.08x = 10,143.32 × 5,450.80
  4. Step 4: Simplify right side
    6,774.08x = 55,289,208.66
  5. Step 5: Solve for x
    x = 55,289,208.66/6,774.08
  6. Step 6: Final answer
    x = 8,161.88

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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.