Home / 4,861.54-6,708.89-2,765.78

Finding the Fourth Proportional to 4,861.54, 6,708.89 and 2,765.78

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Solution

The fourth proportional to 4,861.54, 6,708.89 and 2,765.78 is: 3,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.54 : 6,708.89 = 2,765.78 : x
  2. Step 2: Convert to fraction form
    4,861.54/6,708.89 = 2,765.78/x
  3. Step 3: Cross multiply
    4,861.54x = 6,708.89 × 2,765.78
  4. Step 4: Simplify right side
    4,861.54x = 18,555,313.78
  5. Step 5: Solve for x
    x = 18,555,313.78/4,861.54
  6. Step 6: Final answer
    x = 3,816.76

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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.