Home / 9,120.64-13,673.60-3,273.60

Finding the Fourth Proportional to 9,120.64, 13,673.60 and 3,273.60

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Solution

The fourth proportional to 9,120.64, 13,673.60 and 3,273.60 is: 4,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.64 : 13,673.60 = 3,273.60 : x
  2. Step 2: Convert to fraction form
    9,120.64/13,673.60 = 3,273.60/x
  3. Step 3: Cross multiply
    9,120.64x = 13,673.60 × 3,273.60
  4. Step 4: Simplify right side
    9,120.64x = 44,761,896.96
  5. Step 5: Solve for x
    x = 44,761,896.96/9,120.64
  6. Step 6: Final answer
    x = 4,907.76

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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.