Home / 8,556.14-12,836.20-2,712.60

Finding the Fourth Proportional to 8,556.14, 12,836.20 and 2,712.60

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Solution

The fourth proportional to 8,556.14, 12,836.20 and 2,712.60 is: 4,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.14 : 12,836.20 = 2,712.60 : x
  2. Step 2: Convert to fraction form
    8,556.14/12,836.20 = 2,712.60/x
  3. Step 3: Cross multiply
    8,556.14x = 12,836.20 × 2,712.60
  4. Step 4: Simplify right side
    8,556.14x = 34,819,476.12
  5. Step 5: Solve for x
    x = 34,819,476.12/8,556.14
  6. Step 6: Final answer
    x = 4,069.53

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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.