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Finding the Fourth Proportional to 7,880.35, 11,824.11 and 2,950.37

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Solution

The fourth proportional to 7,880.35, 11,824.11 and 2,950.37 is: 4,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.35 : 11,824.11 = 2,950.37 : x
  2. Step 2: Convert to fraction form
    7,880.35/11,824.11 = 2,950.37/x
  3. Step 3: Cross multiply
    7,880.35x = 11,824.11 × 2,950.37
  4. Step 4: Simplify right side
    7,880.35x = 34,885,499.42
  5. Step 5: Solve for x
    x = 34,885,499.42/7,880.35
  6. Step 6: Final answer
    x = 4,426.90

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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.