Home / 7,480.37-11,221.61-2,550.81

Finding the Fourth Proportional to 7,480.37, 11,221.61 and 2,550.81

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Solution

The fourth proportional to 7,480.37, 11,221.61 and 2,550.81 is: 3,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.37 : 11,221.61 = 2,550.81 : x
  2. Step 2: Convert to fraction form
    7,480.37/11,221.61 = 2,550.81/x
  3. Step 3: Cross multiply
    7,480.37x = 11,221.61 × 2,550.81
  4. Step 4: Simplify right side
    7,480.37x = 28,624,182.25
  5. Step 5: Solve for x
    x = 28,624,182.25/7,480.37
  6. Step 6: Final answer
    x = 3,826.58

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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.