Home / 6,021.20-8,310.08-4,031.80

Finding the Fourth Proportional to 6,021.20, 8,310.08 and 4,031.80

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Solution

The fourth proportional to 6,021.20, 8,310.08 and 4,031.80 is: 5,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.20 : 8,310.08 = 4,031.80 : x
  2. Step 2: Convert to fraction form
    6,021.20/8,310.08 = 4,031.80/x
  3. Step 3: Cross multiply
    6,021.20x = 8,310.08 × 4,031.80
  4. Step 4: Simplify right side
    6,021.20x = 33,504,580.54
  5. Step 5: Solve for x
    x = 33,504,580.54/6,021.20
  6. Step 6: Final answer
    x = 5,564.44

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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.