Home / 6,105.45-8,425.68-3,453.25

Finding the Fourth Proportional to 6,105.45, 8,425.68 and 3,453.25

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Solution

The fourth proportional to 6,105.45, 8,425.68 and 3,453.25 is: 4,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.45 : 8,425.68 = 3,453.25 : x
  2. Step 2: Convert to fraction form
    6,105.45/8,425.68 = 3,453.25/x
  3. Step 3: Cross multiply
    6,105.45x = 8,425.68 × 3,453.25
  4. Step 4: Simplify right side
    6,105.45x = 29,095,979.46
  5. Step 5: Solve for x
    x = 29,095,979.46/6,105.45
  6. Step 6: Final answer
    x = 4,765.57

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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.