Home / 4,857.68-7,290.16-3,213.64

Finding the Fourth Proportional to 4,857.68, 7,290.16 and 3,213.64

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Solution

The fourth proportional to 4,857.68, 7,290.16 and 3,213.64 is: 4,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.68 : 7,290.16 = 3,213.64 : x
  2. Step 2: Convert to fraction form
    4,857.68/7,290.16 = 3,213.64/x
  3. Step 3: Cross multiply
    4,857.68x = 7,290.16 × 3,213.64
  4. Step 4: Simplify right side
    4,857.68x = 23,427,949.78
  5. Step 5: Solve for x
    x = 23,427,949.78/4,857.68
  6. Step 6: Final answer
    x = 4,822.87

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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.