Home / 4,861.89-6,709.64-2,765.61

Finding the Fourth Proportional to 4,861.89, 6,709.64 and 2,765.61

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Solution

The fourth proportional to 4,861.89, 6,709.64 and 2,765.61 is: 3,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.89 : 6,709.64 = 2,765.61 : x
  2. Step 2: Convert to fraction form
    4,861.89/6,709.64 = 2,765.61/x
  3. Step 3: Cross multiply
    4,861.89x = 6,709.64 × 2,765.61
  4. Step 4: Simplify right side
    4,861.89x = 18,556,233.65
  5. Step 5: Solve for x
    x = 18,556,233.65/4,861.89
  6. Step 6: Final answer
    x = 3,816.67

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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.