Home / 6,286.03-8,674.68-3,453.40

Finding the Fourth Proportional to 6,286.03, 8,674.68 and 3,453.40

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Solution

The fourth proportional to 6,286.03, 8,674.68 and 3,453.40 is: 4,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.03 : 8,674.68 = 3,453.40 : x
  2. Step 2: Convert to fraction form
    6,286.03/8,674.68 = 3,453.40/x
  3. Step 3: Cross multiply
    6,286.03x = 8,674.68 × 3,453.40
  4. Step 4: Simplify right side
    6,286.03x = 29,957,139.91
  5. Step 5: Solve for x
    x = 29,957,139.91/6,286.03
  6. Step 6: Final answer
    x = 4,765.67

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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.