Home / 8,299.69-11,453.88-5,112.34

Finding the Fourth Proportional to 8,299.69, 11,453.88 and 5,112.34

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Solution

The fourth proportional to 8,299.69, 11,453.88 and 5,112.34 is: 7,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.69 : 11,453.88 = 5,112.34 : x
  2. Step 2: Convert to fraction form
    8,299.69/11,453.88 = 5,112.34/x
  3. Step 3: Cross multiply
    8,299.69x = 11,453.88 × 5,112.34
  4. Step 4: Simplify right side
    8,299.69x = 58,556,128.88
  5. Step 5: Solve for x
    x = 58,556,128.88/8,299.69
  6. Step 6: Final answer
    x = 7,055.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.