Home / 4,185.87-6,278.82-1,874.67

Finding the Fourth Proportional to 4,185.87, 6,278.82 and 1,874.67

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Solution

The fourth proportional to 4,185.87, 6,278.82 and 1,874.67 is: 2,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.87 : 6,278.82 = 1,874.67 : x
  2. Step 2: Convert to fraction form
    4,185.87/6,278.82 = 1,874.67/x
  3. Step 3: Cross multiply
    4,185.87x = 6,278.82 × 1,874.67
  4. Step 4: Simplify right side
    4,185.87x = 11,770,715.49
  5. Step 5: Solve for x
    x = 11,770,715.49/4,185.87
  6. Step 6: Final answer
    x = 2,812.01

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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.