Home / 7,481.68-11,212.44-2,862.16

Finding the Fourth Proportional to 7,481.68, 11,212.44 and 2,862.16

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Solution

The fourth proportional to 7,481.68, 11,212.44 and 2,862.16 is: 4,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.68 : 11,212.44 = 2,862.16 : x
  2. Step 2: Convert to fraction form
    7,481.68/11,212.44 = 2,862.16/x
  3. Step 3: Cross multiply
    7,481.68x = 11,212.44 × 2,862.16
  4. Step 4: Simplify right side
    7,481.68x = 32,091,797.27
  5. Step 5: Solve for x
    x = 32,091,797.27/7,481.68
  6. Step 6: Final answer
    x = 4,289.38

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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.