Home / 6,128.97-8,453.07-4,004.34

Finding the Fourth Proportional to 6,128.97, 8,453.07 and 4,004.34

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Solution

The fourth proportional to 6,128.97, 8,453.07 and 4,004.34 is: 5,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.97 : 8,453.07 = 4,004.34 : x
  2. Step 2: Convert to fraction form
    6,128.97/8,453.07 = 4,004.34/x
  3. Step 3: Cross multiply
    6,128.97x = 8,453.07 × 4,004.34
  4. Step 4: Simplify right side
    6,128.97x = 33,848,966.32
  5. Step 5: Solve for x
    x = 33,848,966.32/6,128.97
  6. Step 6: Final answer
    x = 5,522.78

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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.