Home / 4,857.85-7,286.37-2,908.63

Finding the Fourth Proportional to 4,857.85, 7,286.37 and 2,908.63

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Solution

The fourth proportional to 4,857.85, 7,286.37 and 2,908.63 is: 4,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.85 : 7,286.37 = 2,908.63 : x
  2. Step 2: Convert to fraction form
    4,857.85/7,286.37 = 2,908.63/x
  3. Step 3: Cross multiply
    4,857.85x = 7,286.37 × 2,908.63
  4. Step 4: Simplify right side
    4,857.85x = 21,193,354.37
  5. Step 5: Solve for x
    x = 21,193,354.37/4,857.85
  6. Step 6: Final answer
    x = 4,362.70

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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.