Home / 8,308.44-12,465.96-3,378.45

Finding the Fourth Proportional to 8,308.44, 12,465.96 and 3,378.45

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Solution

The fourth proportional to 8,308.44, 12,465.96 and 3,378.45 is: 5,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.44 : 12,465.96 = 3,378.45 : x
  2. Step 2: Convert to fraction form
    8,308.44/12,465.96 = 3,378.45/x
  3. Step 3: Cross multiply
    8,308.44x = 12,465.96 × 3,378.45
  4. Step 4: Simplify right side
    8,308.44x = 42,115,622.56
  5. Step 5: Solve for x
    x = 42,115,622.56/8,308.44
  6. Step 6: Final answer
    x = 5,069.02

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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.