Home / 8,715.33-13,074.19-3,168.05

Finding the Fourth Proportional to 8,715.33, 13,074.19 and 3,168.05

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Solution

The fourth proportional to 8,715.33, 13,074.19 and 3,168.05 is: 4,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.33 : 13,074.19 = 3,168.05 : x
  2. Step 2: Convert to fraction form
    8,715.33/13,074.19 = 3,168.05/x
  3. Step 3: Cross multiply
    8,715.33x = 13,074.19 × 3,168.05
  4. Step 4: Simplify right side
    8,715.33x = 41,419,614.34
  5. Step 5: Solve for x
    x = 41,419,614.34/8,715.33
  6. Step 6: Final answer
    x = 4,752.50

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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.