Home / 7,940.02-11,911.25-2,097.09

Finding the Fourth Proportional to 7,940.02, 11,911.25 and 2,097.09

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Solution

The fourth proportional to 7,940.02, 11,911.25 and 2,097.09 is: 3,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.02 : 11,911.25 = 2,097.09 : x
  2. Step 2: Convert to fraction form
    7,940.02/11,911.25 = 2,097.09/x
  3. Step 3: Cross multiply
    7,940.02x = 11,911.25 × 2,097.09
  4. Step 4: Simplify right side
    7,940.02x = 24,978,963.26
  5. Step 5: Solve for x
    x = 24,978,963.26/7,940.02
  6. Step 6: Final answer
    x = 3,145.96

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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.