Home / 8,166.07-12,251.45-2,619.28

Finding the Fourth Proportional to 8,166.07, 12,251.45 and 2,619.28

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Solution

The fourth proportional to 8,166.07, 12,251.45 and 2,619.28 is: 3,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.07 : 12,251.45 = 2,619.28 : x
  2. Step 2: Convert to fraction form
    8,166.07/12,251.45 = 2,619.28/x
  3. Step 3: Cross multiply
    8,166.07x = 12,251.45 × 2,619.28
  4. Step 4: Simplify right side
    8,166.07x = 32,089,977.96
  5. Step 5: Solve for x
    x = 32,089,977.96/8,166.07
  6. Step 6: Final answer
    x = 3,929.67

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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.