Home / 8,084.28-12,126.37-2,080.35

Finding the Fourth Proportional to 8,084.28, 12,126.37 and 2,080.35

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Solution

The fourth proportional to 8,084.28, 12,126.37 and 2,080.35 is: 3,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.28 : 12,126.37 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    8,084.28/12,126.37 = 2,080.35/x
  3. Step 3: Cross multiply
    8,084.28x = 12,126.37 × 2,080.35
  4. Step 4: Simplify right side
    8,084.28x = 25,227,022.80
  5. Step 5: Solve for x
    x = 25,227,022.80/8,084.28
  6. Step 6: Final answer
    x = 3,120.50

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Half scale
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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.