Home / 7,011.72-10,516.56-2,080.44

Finding the Fourth Proportional to 7,011.72, 10,516.56 and 2,080.44

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Solution

The fourth proportional to 7,011.72, 10,516.56 and 2,080.44 is: 3,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.72 : 10,516.56 = 2,080.44 : x
  2. Step 2: Convert to fraction form
    7,011.72/10,516.56 = 2,080.44/x
  3. Step 3: Cross multiply
    7,011.72x = 10,516.56 × 2,080.44
  4. Step 4: Simplify right side
    7,011.72x = 21,879,072.09
  5. Step 5: Solve for x
    x = 21,879,072.09/7,011.72
  6. Step 6: Final answer
    x = 3,120.36

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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.