Home / 8,080.45-12,120.96-2,237.50

Finding the Fourth Proportional to 8,080.45, 12,120.96 and 2,237.50

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Solution

The fourth proportional to 8,080.45, 12,120.96 and 2,237.50 is: 3,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.45 : 12,120.96 = 2,237.50 : x
  2. Step 2: Convert to fraction form
    8,080.45/12,120.96 = 2,237.50/x
  3. Step 3: Cross multiply
    8,080.45x = 12,120.96 × 2,237.50
  4. Step 4: Simplify right side
    8,080.45x = 27,120,648.00
  5. Step 5: Solve for x
    x = 27,120,648.00/8,080.45
  6. Step 6: Final answer
    x = 3,356.33

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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.