Home / 7,941.08-11,912.31-3,261.44

Finding the Fourth Proportional to 7,941.08, 11,912.31 and 3,261.44

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Solution

The fourth proportional to 7,941.08, 11,912.31 and 3,261.44 is: 4,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.08 : 11,912.31 = 3,261.44 : x
  2. Step 2: Convert to fraction form
    7,941.08/11,912.31 = 3,261.44/x
  3. Step 3: Cross multiply
    7,941.08x = 11,912.31 × 3,261.44
  4. Step 4: Simplify right side
    7,941.08x = 38,851,224.76
  5. Step 5: Solve for x
    x = 38,851,224.76/7,941.08
  6. Step 6: Final answer
    x = 4,892.44

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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.