Home / 7,989.56-11,984.44-3,059.49

Finding the Fourth Proportional to 7,989.56, 11,984.44 and 3,059.49

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Solution

The fourth proportional to 7,989.56, 11,984.44 and 3,059.49 is: 4,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.56 : 11,984.44 = 3,059.49 : x
  2. Step 2: Convert to fraction form
    7,989.56/11,984.44 = 3,059.49/x
  3. Step 3: Cross multiply
    7,989.56x = 11,984.44 × 3,059.49
  4. Step 4: Simplify right side
    7,989.56x = 36,666,274.34
  5. Step 5: Solve for x
    x = 36,666,274.34/7,989.56
  6. Step 6: Final answer
    x = 4,589.27

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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.