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Finding the Fourth Proportional to 6,372.65, 8,793.82 and 3,539.79

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Solution

The fourth proportional to 6,372.65, 8,793.82 and 3,539.79 is: 4,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.65 : 8,793.82 = 3,539.79 : x
  2. Step 2: Convert to fraction form
    6,372.65/8,793.82 = 3,539.79/x
  3. Step 3: Cross multiply
    6,372.65x = 8,793.82 × 3,539.79
  4. Step 4: Simplify right side
    6,372.65x = 31,128,276.10
  5. Step 5: Solve for x
    x = 31,128,276.10/6,372.65
  6. Step 6: Final answer
    x = 4,884.67

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Why These Related Problems?

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