Home / 7,961.20-11,941.80-4,024.60

Finding the Fourth Proportional to 7,961.20, 11,941.80 and 4,024.60

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Solution

The fourth proportional to 7,961.20, 11,941.80 and 4,024.60 is: 6,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.20 : 11,941.80 = 4,024.60 : x
  2. Step 2: Convert to fraction form
    7,961.20/11,941.80 = 4,024.60/x
  3. Step 3: Cross multiply
    7,961.20x = 11,941.80 × 4,024.60
  4. Step 4: Simplify right side
    7,961.20x = 48,060,968.28
  5. Step 5: Solve for x
    x = 48,060,968.28/7,961.20
  6. Step 6: Final answer
    x = 6,036.90

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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.