Home / 7,473.78-11,212.36-2,279.26

Finding the Fourth Proportional to 7,473.78, 11,212.36 and 2,279.26

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Solution

The fourth proportional to 7,473.78, 11,212.36 and 2,279.26 is: 3,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.78 : 11,212.36 = 2,279.26 : x
  2. Step 2: Convert to fraction form
    7,473.78/11,212.36 = 2,279.26/x
  3. Step 3: Cross multiply
    7,473.78x = 11,212.36 × 2,279.26
  4. Step 4: Simplify right side
    7,473.78x = 25,555,883.65
  5. Step 5: Solve for x
    x = 25,555,883.65/7,473.78
  6. Step 6: Final answer
    x = 3,419.41

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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.