Home / 8,053.44-12,080.76-3,120.96

Finding the Fourth Proportional to 8,053.44, 12,080.76 and 3,120.96

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Solution

The fourth proportional to 8,053.44, 12,080.76 and 3,120.96 is: 4,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.44 : 12,080.76 = 3,120.96 : x
  2. Step 2: Convert to fraction form
    8,053.44/12,080.76 = 3,120.96/x
  3. Step 3: Cross multiply
    8,053.44x = 12,080.76 × 3,120.96
  4. Step 4: Simplify right side
    8,053.44x = 37,703,568.73
  5. Step 5: Solve for x
    x = 37,703,568.73/8,053.44
  6. Step 6: Final answer
    x = 4,681.67

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Similar ratio
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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.