Home / 4,785.62-7,179.87-1,499.18

Finding the Fourth Proportional to 4,785.62, 7,179.87 and 1,499.18

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Solution

The fourth proportional to 4,785.62, 7,179.87 and 1,499.18 is: 2,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.62 : 7,179.87 = 1,499.18 : x
  2. Step 2: Convert to fraction form
    4,785.62/7,179.87 = 1,499.18/x
  3. Step 3: Cross multiply
    4,785.62x = 7,179.87 × 1,499.18
  4. Step 4: Simplify right side
    4,785.62x = 10,763,917.51
  5. Step 5: Solve for x
    x = 10,763,917.51/4,785.62
  6. Step 6: Final answer
    x = 2,249.22

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Double scale
Find fourth proportional to 4,786.62, 7,181.37 and 1,500.18
Similar ratio
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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.