Home / 8,109.99-11,193.39-5,124.33

Finding the Fourth Proportional to 8,109.99, 11,193.39 and 5,124.33

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Solution

The fourth proportional to 8,109.99, 11,193.39 and 5,124.33 is: 7,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.99 : 11,193.39 = 5,124.33 : x
  2. Step 2: Convert to fraction form
    8,109.99/11,193.39 = 5,124.33/x
  3. Step 3: Cross multiply
    8,109.99x = 11,193.39 × 5,124.33
  4. Step 4: Simplify right side
    8,109.99x = 57,358,624.18
  5. Step 5: Solve for x
    x = 57,358,624.18/8,109.99
  6. Step 6: Final answer
    x = 7,072.59

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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.