Home / 7,641.94-11,453.32-4,131.80

Finding the Fourth Proportional to 7,641.94, 11,453.32 and 4,131.80

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Solution

The fourth proportional to 7,641.94, 11,453.32 and 4,131.80 is: 6,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.94 : 11,453.32 = 4,131.80 : x
  2. Step 2: Convert to fraction form
    7,641.94/11,453.32 = 4,131.80/x
  3. Step 3: Cross multiply
    7,641.94x = 11,453.32 × 4,131.80
  4. Step 4: Simplify right side
    7,641.94x = 47,322,806.92
  5. Step 5: Solve for x
    x = 47,322,806.92/7,641.94
  6. Step 6: Final answer
    x = 6,192.52

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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.