Home / 5,945.46-8,919.66-1,785.54

Finding the Fourth Proportional to 5,945.46, 8,919.66 and 1,785.54

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Solution

The fourth proportional to 5,945.46, 8,919.66 and 1,785.54 is: 2,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.46 : 8,919.66 = 1,785.54 : x
  2. Step 2: Convert to fraction form
    5,945.46/8,919.66 = 1,785.54/x
  3. Step 3: Cross multiply
    5,945.46x = 8,919.66 × 1,785.54
  4. Step 4: Simplify right side
    5,945.46x = 15,926,409.72
  5. Step 5: Solve for x
    x = 15,926,409.72/5,945.46
  6. Step 6: Final answer
    x = 2,678.75

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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.