Home / 8,021.54-11,069.97-4,484.90

Finding the Fourth Proportional to 8,021.54, 11,069.97 and 4,484.90

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Solution

The fourth proportional to 8,021.54, 11,069.97 and 4,484.90 is: 6,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.54 : 11,069.97 = 4,484.90 : x
  2. Step 2: Convert to fraction form
    8,021.54/11,069.97 = 4,484.90/x
  3. Step 3: Cross multiply
    8,021.54x = 11,069.97 × 4,484.90
  4. Step 4: Simplify right side
    8,021.54x = 49,647,708.45
  5. Step 5: Solve for x
    x = 49,647,708.45/8,021.54
  6. Step 6: Final answer
    x = 6,189.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.