Home / 8,556.20-12,836.10-3,623.30

Finding the Fourth Proportional to 8,556.20, 12,836.10 and 3,623.30

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Solution

The fourth proportional to 8,556.20, 12,836.10 and 3,623.30 is: 5,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.20 : 12,836.10 = 3,623.30 : x
  2. Step 2: Convert to fraction form
    8,556.20/12,836.10 = 3,623.30/x
  3. Step 3: Cross multiply
    8,556.20x = 12,836.10 × 3,623.30
  4. Step 4: Simplify right side
    8,556.20x = 46,509,041.13
  5. Step 5: Solve for x
    x = 46,509,041.13/8,556.20
  6. Step 6: Final answer
    x = 5,435.71

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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.