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Finding the Fourth Proportional to 7,940.79, 10,957.77 and 4,403.88

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Solution

The fourth proportional to 7,940.79, 10,957.77 and 4,403.88 is: 6,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.79 : 10,957.77 = 4,403.88 : x
  2. Step 2: Convert to fraction form
    7,940.79/10,957.77 = 4,403.88/x
  3. Step 3: Cross multiply
    7,940.79x = 10,957.77 × 4,403.88
  4. Step 4: Simplify right side
    7,940.79x = 48,256,704.15
  5. Step 5: Solve for x
    x = 48,256,704.15/7,940.79
  6. Step 6: Final answer
    x = 6,077.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.