Home / 7,415.97-11,128.07-3,036.50

Finding the Fourth Proportional to 7,415.97, 11,128.07 and 3,036.50

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Solution

The fourth proportional to 7,415.97, 11,128.07 and 3,036.50 is: 4,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.97 : 11,128.07 = 3,036.50 : x
  2. Step 2: Convert to fraction form
    7,415.97/11,128.07 = 3,036.50/x
  3. Step 3: Cross multiply
    7,415.97x = 11,128.07 × 3,036.50
  4. Step 4: Simplify right side
    7,415.97x = 33,790,419.97
  5. Step 5: Solve for x
    x = 33,790,419.97/7,415.97
  6. Step 6: Final answer
    x = 4,556.44

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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.