Home / 8,584.39-12,877.80-3,904.39

Finding the Fourth Proportional to 8,584.39, 12,877.80 and 3,904.39

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Solution

The fourth proportional to 8,584.39, 12,877.80 and 3,904.39 is: 5,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.39 : 12,877.80 = 3,904.39 : x
  2. Step 2: Convert to fraction form
    8,584.39/12,877.80 = 3,904.39/x
  3. Step 3: Cross multiply
    8,584.39x = 12,877.80 × 3,904.39
  4. Step 4: Simplify right side
    8,584.39x = 50,279,953.54
  5. Step 5: Solve for x
    x = 50,279,953.54/8,584.39
  6. Step 6: Final answer
    x = 5,857.14

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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.