Home / 8,245.90-12,370.58-2,698.81

Finding the Fourth Proportional to 8,245.90, 12,370.58 and 2,698.81

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Solution

The fourth proportional to 8,245.90, 12,370.58 and 2,698.81 is: 4,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.90 : 12,370.58 = 2,698.81 : x
  2. Step 2: Convert to fraction form
    8,245.90/12,370.58 = 2,698.81/x
  3. Step 3: Cross multiply
    8,245.90x = 12,370.58 × 2,698.81
  4. Step 4: Simplify right side
    8,245.90x = 33,385,845.01
  5. Step 5: Solve for x
    x = 33,385,845.01/8,245.90
  6. Step 6: Final answer
    x = 4,048.78

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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.