Home / 6,251.85-9,378.18-2,091.69

Finding the Fourth Proportional to 6,251.85, 9,378.18 and 2,091.69

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Solution

The fourth proportional to 6,251.85, 9,378.18 and 2,091.69 is: 3,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.85 : 9,378.18 = 2,091.69 : x
  2. Step 2: Convert to fraction form
    6,251.85/9,378.18 = 2,091.69/x
  3. Step 3: Cross multiply
    6,251.85x = 9,378.18 × 2,091.69
  4. Step 4: Simplify right side
    6,251.85x = 19,616,245.32
  5. Step 5: Solve for x
    x = 19,616,245.32/6,251.85
  6. Step 6: Final answer
    x = 3,137.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.