Home / 8,253.09-12,379.59-2,706.39

Finding the Fourth Proportional to 8,253.09, 12,379.59 and 2,706.39

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Solution

The fourth proportional to 8,253.09, 12,379.59 and 2,706.39 is: 4,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.09 : 12,379.59 = 2,706.39 : x
  2. Step 2: Convert to fraction form
    8,253.09/12,379.59 = 2,706.39/x
  3. Step 3: Cross multiply
    8,253.09x = 12,379.59 × 2,706.39
  4. Step 4: Simplify right side
    8,253.09x = 33,503,998.58
  5. Step 5: Solve for x
    x = 33,503,998.58/8,253.09
  6. Step 6: Final answer
    x = 4,059.57

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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.