Home / 9,006.35-13,509.14-3,083.78

Finding the Fourth Proportional to 9,006.35, 13,509.14 and 3,083.78

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Solution

The fourth proportional to 9,006.35, 13,509.14 and 3,083.78 is: 4,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.35 : 13,509.14 = 3,083.78 : x
  2. Step 2: Convert to fraction form
    9,006.35/13,509.14 = 3,083.78/x
  3. Step 3: Cross multiply
    9,006.35x = 13,509.14 × 3,083.78
  4. Step 4: Simplify right side
    9,006.35x = 41,659,234.10
  5. Step 5: Solve for x
    x = 41,659,234.10/9,006.35
  6. Step 6: Final answer
    x = 4,625.54

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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.