Home / 8,684.48-13,021.25-5,719.73

Finding the Fourth Proportional to 8,684.48, 13,021.25 and 5,719.73

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Solution

The fourth proportional to 8,684.48, 13,021.25 and 5,719.73 is: 8,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.48 : 13,021.25 = 5,719.73 : x
  2. Step 2: Convert to fraction form
    8,684.48/13,021.25 = 5,719.73/x
  3. Step 3: Cross multiply
    8,684.48x = 13,021.25 × 5,719.73
  4. Step 4: Simplify right side
    8,684.48x = 74,477,940.56
  5. Step 5: Solve for x
    x = 74,477,940.56/8,684.48
  6. Step 6: Final answer
    x = 8,575.99

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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.