Home / 5,945.55-8,918.30-1,785.54

Finding the Fourth Proportional to 5,945.55, 8,918.30 and 1,785.54

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Solution

The fourth proportional to 5,945.55, 8,918.30 and 1,785.54 is: 2,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.55 : 8,918.30 = 1,785.54 : x
  2. Step 2: Convert to fraction form
    5,945.55/8,918.30 = 1,785.54/x
  3. Step 3: Cross multiply
    5,945.55x = 8,918.30 × 1,785.54
  4. Step 4: Simplify right side
    5,945.55x = 15,923,972.45
  5. Step 5: Solve for x
    x = 15,923,972.45/5,945.55
  6. Step 6: Final answer
    x = 2,678.30

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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.