Home / 9,284.85-13,923.36-3,945.87

Finding the Fourth Proportional to 9,284.85, 13,923.36 and 3,945.87

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Solution

The fourth proportional to 9,284.85, 13,923.36 and 3,945.87 is: 5,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.85 : 13,923.36 = 3,945.87 : x
  2. Step 2: Convert to fraction form
    9,284.85/13,923.36 = 3,945.87/x
  3. Step 3: Cross multiply
    9,284.85x = 13,923.36 × 3,945.87
  4. Step 4: Simplify right side
    9,284.85x = 54,939,768.52
  5. Step 5: Solve for x
    x = 54,939,768.52/9,284.85
  6. Step 6: Final answer
    x = 5,917.14

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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.