Home / 8,369.82-12,556.38-2,526.78

Finding the Fourth Proportional to 8,369.82, 12,556.38 and 2,526.78

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Solution

The fourth proportional to 8,369.82, 12,556.38 and 2,526.78 is: 3,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.82 : 12,556.38 = 2,526.78 : x
  2. Step 2: Convert to fraction form
    8,369.82/12,556.38 = 2,526.78/x
  3. Step 3: Cross multiply
    8,369.82x = 12,556.38 × 2,526.78
  4. Step 4: Simplify right side
    8,369.82x = 31,727,209.86
  5. Step 5: Solve for x
    x = 31,727,209.86/8,369.82
  6. Step 6: Final answer
    x = 3,790.67

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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.