Home / 7,481.42-11,222.16-2,287.28

Finding the Fourth Proportional to 7,481.42, 11,222.16 and 2,287.28

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Solution

The fourth proportional to 7,481.42, 11,222.16 and 2,287.28 is: 3,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.42 : 11,222.16 = 2,287.28 : x
  2. Step 2: Convert to fraction form
    7,481.42/11,222.16 = 2,287.28/x
  3. Step 3: Cross multiply
    7,481.42x = 11,222.16 × 2,287.28
  4. Step 4: Simplify right side
    7,481.42x = 25,668,222.12
  5. Step 5: Solve for x
    x = 25,668,222.12/7,481.42
  6. Step 6: Final answer
    x = 3,430.93

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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.