Home / 4,785.32-7,176.78-3,394.60

Finding the Fourth Proportional to 4,785.32, 7,176.78 and 3,394.60

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Solution

The fourth proportional to 4,785.32, 7,176.78 and 3,394.60 is: 5,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.32 : 7,176.78 = 3,394.60 : x
  2. Step 2: Convert to fraction form
    4,785.32/7,176.78 = 3,394.60/x
  3. Step 3: Cross multiply
    4,785.32x = 7,176.78 × 3,394.60
  4. Step 4: Simplify right side
    4,785.32x = 24,362,297.39
  5. Step 5: Solve for x
    x = 24,362,297.39/4,785.32
  6. Step 6: Final answer
    x = 5,091.05

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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.