Home / 7,940.02-11,910.03-2,743.06

Finding the Fourth Proportional to 7,940.02, 11,910.03 and 2,743.06

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Solution

The fourth proportional to 7,940.02, 11,910.03 and 2,743.06 is: 4,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.02 : 11,910.03 = 2,743.06 : x
  2. Step 2: Convert to fraction form
    7,940.02/11,910.03 = 2,743.06/x
  3. Step 3: Cross multiply
    7,940.02x = 11,910.03 × 2,743.06
  4. Step 4: Simplify right side
    7,940.02x = 32,669,926.89
  5. Step 5: Solve for x
    x = 32,669,926.89/7,940.02
  6. Step 6: Final answer
    x = 4,114.59

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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.