Home / 8,189.60-12,286.32-2,346.08

Finding the Fourth Proportional to 8,189.60, 12,286.32 and 2,346.08

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Solution

The fourth proportional to 8,189.60, 12,286.32 and 2,346.08 is: 3,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.60 : 12,286.32 = 2,346.08 : x
  2. Step 2: Convert to fraction form
    8,189.60/12,286.32 = 2,346.08/x
  3. Step 3: Cross multiply
    8,189.60x = 12,286.32 × 2,346.08
  4. Step 4: Simplify right side
    8,189.60x = 28,824,689.63
  5. Step 5: Solve for x
    x = 28,824,689.63/8,189.60
  6. Step 6: Final answer
    x = 3,519.67

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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.