Home / 4,974.21-6,863.84-2,735.88

Finding the Fourth Proportional to 4,974.21, 6,863.84 and 2,735.88

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Solution

The fourth proportional to 4,974.21, 6,863.84 and 2,735.88 is: 3,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.21 : 6,863.84 = 2,735.88 : x
  2. Step 2: Convert to fraction form
    4,974.21/6,863.84 = 2,735.88/x
  3. Step 3: Cross multiply
    4,974.21x = 6,863.84 × 2,735.88
  4. Step 4: Simplify right side
    4,974.21x = 18,778,613.42
  5. Step 5: Solve for x
    x = 18,778,613.42/4,974.21
  6. Step 6: Final answer
    x = 3,775.20

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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.