Home / 8,111.26-12,166.03-2,564.63

Finding the Fourth Proportional to 8,111.26, 12,166.03 and 2,564.63

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Solution

The fourth proportional to 8,111.26, 12,166.03 and 2,564.63 is: 3,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.26 : 12,166.03 = 2,564.63 : x
  2. Step 2: Convert to fraction form
    8,111.26/12,166.03 = 2,564.63/x
  3. Step 3: Cross multiply
    8,111.26x = 12,166.03 × 2,564.63
  4. Step 4: Simplify right side
    8,111.26x = 31,201,365.52
  5. Step 5: Solve for x
    x = 31,201,365.52/8,111.26
  6. Step 6: Final answer
    x = 3,846.67

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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.