Home / 6,111.75-9,161.42-2,408.90

Finding the Fourth Proportional to 6,111.75, 9,161.42 and 2,408.90

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Solution

The fourth proportional to 6,111.75, 9,161.42 and 2,408.90 is: 3,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.75 : 9,161.42 = 2,408.90 : x
  2. Step 2: Convert to fraction form
    6,111.75/9,161.42 = 2,408.90/x
  3. Step 3: Cross multiply
    6,111.75x = 9,161.42 × 2,408.90
  4. Step 4: Simplify right side
    6,111.75x = 22,068,886.79
  5. Step 5: Solve for x
    x = 22,068,886.79/6,111.75
  6. Step 6: Final answer
    x = 3,610.89

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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.