Home / 8,272.09-12,409.85-2,725.77

Finding the Fourth Proportional to 8,272.09, 12,409.85 and 2,725.77

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Solution

The fourth proportional to 8,272.09, 12,409.85 and 2,725.77 is: 4,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.09 : 12,409.85 = 2,725.77 : x
  2. Step 2: Convert to fraction form
    8,272.09/12,409.85 = 2,725.77/x
  3. Step 3: Cross multiply
    8,272.09x = 12,409.85 × 2,725.77
  4. Step 4: Simplify right side
    8,272.09x = 33,826,396.83
  5. Step 5: Solve for x
    x = 33,826,396.83/8,272.09
  6. Step 6: Final answer
    x = 4,089.22

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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.