Home / 4,856.20-7,286.94-2,085.64

Finding the Fourth Proportional to 4,856.20, 7,286.94 and 2,085.64

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Solution

The fourth proportional to 4,856.20, 7,286.94 and 2,085.64 is: 3,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.20 : 7,286.94 = 2,085.64 : x
  2. Step 2: Convert to fraction form
    4,856.20/7,286.94 = 2,085.64/x
  3. Step 3: Cross multiply
    4,856.20x = 7,286.94 × 2,085.64
  4. Step 4: Simplify right side
    4,856.20x = 15,197,933.54
  5. Step 5: Solve for x
    x = 15,197,933.54/4,856.20
  6. Step 6: Final answer
    x = 3,129.59

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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.