Home / 4,785.64-7,181.78-1,863.96

Finding the Fourth Proportional to 4,785.64, 7,181.78 and 1,863.96

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Solution

The fourth proportional to 4,785.64, 7,181.78 and 1,863.96 is: 2,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.64 : 7,181.78 = 1,863.96 : x
  2. Step 2: Convert to fraction form
    4,785.64/7,181.78 = 1,863.96/x
  3. Step 3: Cross multiply
    4,785.64x = 7,181.78 × 1,863.96
  4. Step 4: Simplify right side
    4,785.64x = 13,386,550.65
  5. Step 5: Solve for x
    x = 13,386,550.65/4,785.64
  6. Step 6: Final answer
    x = 2,797.23

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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.