Home / 6,272.07-9,408.58-2,112.09

Finding the Fourth Proportional to 6,272.07, 9,408.58 and 2,112.09

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Solution

The fourth proportional to 6,272.07, 9,408.58 and 2,112.09 is: 3,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.07 : 9,408.58 = 2,112.09 : x
  2. Step 2: Convert to fraction form
    6,272.07/9,408.58 = 2,112.09/x
  3. Step 3: Cross multiply
    6,272.07x = 9,408.58 × 2,112.09
  4. Step 4: Simplify right side
    6,272.07x = 19,871,762.45
  5. Step 5: Solve for x
    x = 19,871,762.45/6,272.07
  6. Step 6: Final answer
    x = 3,168.29

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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.