Home / 4,735.21-7,102.83-2,785.15

Finding the Fourth Proportional to 4,735.21, 7,102.83 and 2,785.15

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Solution

The fourth proportional to 4,735.21, 7,102.83 and 2,785.15 is: 4,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.21 : 7,102.83 = 2,785.15 : x
  2. Step 2: Convert to fraction form
    4,735.21/7,102.83 = 2,785.15/x
  3. Step 3: Cross multiply
    4,735.21x = 7,102.83 × 2,785.15
  4. Step 4: Simplify right side
    4,735.21x = 19,782,446.97
  5. Step 5: Solve for x
    x = 19,782,446.97/4,735.21
  6. Step 6: Final answer
    x = 4,177.73

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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.