Home / 7,963.20-11,922.90-4,059.84

Finding the Fourth Proportional to 7,963.20, 11,922.90 and 4,059.84

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Solution

The fourth proportional to 7,963.20, 11,922.90 and 4,059.84 is: 6,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.20 : 11,922.90 = 4,059.84 : x
  2. Step 2: Convert to fraction form
    7,963.20/11,922.90 = 4,059.84/x
  3. Step 3: Cross multiply
    7,963.20x = 11,922.90 × 4,059.84
  4. Step 4: Simplify right side
    7,963.20x = 48,405,066.34
  5. Step 5: Solve for x
    x = 48,405,066.34/7,963.20
  6. Step 6: Final answer
    x = 6,078.59

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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.