Home / 8,021.84-11,072.20-4,880.24

Finding the Fourth Proportional to 8,021.84, 11,072.20 and 4,880.24

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Solution

The fourth proportional to 8,021.84, 11,072.20 and 4,880.24 is: 6,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.84 : 11,072.20 = 4,880.24 : x
  2. Step 2: Convert to fraction form
    8,021.84/11,072.20 = 4,880.24/x
  3. Step 3: Cross multiply
    8,021.84x = 11,072.20 × 4,880.24
  4. Step 4: Simplify right side
    8,021.84x = 54,034,993.33
  5. Step 5: Solve for x
    x = 54,034,993.33/8,021.84
  6. Step 6: Final answer
    x = 6,735.98

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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.