Home / 7,427.70-11,131.83-3,040.16

Finding the Fourth Proportional to 7,427.70, 11,131.83 and 3,040.16

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Solution

The fourth proportional to 7,427.70, 11,131.83 and 3,040.16 is: 4,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.70 : 11,131.83 = 3,040.16 : x
  2. Step 2: Convert to fraction form
    7,427.70/11,131.83 = 3,040.16/x
  3. Step 3: Cross multiply
    7,427.70x = 11,131.83 × 3,040.16
  4. Step 4: Simplify right side
    7,427.70x = 33,842,488.63
  5. Step 5: Solve for x
    x = 33,842,488.63/7,427.70
  6. Step 6: Final answer
    x = 4,556.25

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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.