Home / 7,629.27-11,436.62-2,431.77

Finding the Fourth Proportional to 7,629.27, 11,436.62 and 2,431.77

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Solution

The fourth proportional to 7,629.27, 11,436.62 and 2,431.77 is: 3,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.27 : 11,436.62 = 2,431.77 : x
  2. Step 2: Convert to fraction form
    7,629.27/11,436.62 = 2,431.77/x
  3. Step 3: Cross multiply
    7,629.27x = 11,436.62 × 2,431.77
  4. Step 4: Simplify right side
    7,629.27x = 27,811,217.26
  5. Step 5: Solve for x
    x = 27,811,217.26/7,629.27
  6. Step 6: Final answer
    x = 3,645.33

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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.