Home / 8,245.14-12,369.65-2,698.46

Finding the Fourth Proportional to 8,245.14, 12,369.65 and 2,698.46

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Solution

The fourth proportional to 8,245.14, 12,369.65 and 2,698.46 is: 4,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.14 : 12,369.65 = 2,698.46 : x
  2. Step 2: Convert to fraction form
    8,245.14/12,369.65 = 2,698.46/x
  3. Step 3: Cross multiply
    8,245.14x = 12,369.65 × 2,698.46
  4. Step 4: Simplify right side
    8,245.14x = 33,378,976.78
  5. Step 5: Solve for x
    x = 33,378,976.78/8,245.14
  6. Step 6: Final answer
    x = 4,048.32

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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.