Home / 8,456.14-12,687.99-4,556.02

Finding the Fourth Proportional to 8,456.14, 12,687.99 and 4,556.02

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Solution

The fourth proportional to 8,456.14, 12,687.99 and 4,556.02 is: 6,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.14 : 12,687.99 = 4,556.02 : x
  2. Step 2: Convert to fraction form
    8,456.14/12,687.99 = 4,556.02/x
  3. Step 3: Cross multiply
    8,456.14x = 12,687.99 × 4,556.02
  4. Step 4: Simplify right side
    8,456.14x = 57,806,736.20
  5. Step 5: Solve for x
    x = 57,806,736.20/8,456.14
  6. Step 6: Final answer
    x = 6,836.07

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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.