Home / 8,738.89-13,097.40-6,882.67

Finding the Fourth Proportional to 8,738.89, 13,097.40 and 6,882.67

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Solution

The fourth proportional to 8,738.89, 13,097.40 and 6,882.67 is: 10,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.89 : 13,097.40 = 6,882.67 : x
  2. Step 2: Convert to fraction form
    8,738.89/13,097.40 = 6,882.67/x
  3. Step 3: Cross multiply
    8,738.89x = 13,097.40 × 6,882.67
  4. Step 4: Simplify right side
    8,738.89x = 90,145,072.62
  5. Step 5: Solve for x
    x = 90,145,072.62/8,738.89
  6. Step 6: Final answer
    x = 10,315.39

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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.