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Finding the Fourth Proportional to 8,803.90, 13,206 and 2,960.56

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Solution

The fourth proportional to 8,803.90, 13,206 and 2,960.56 is: 4,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.90 : 13,206 = 2,960.56 : x
  2. Step 2: Convert to fraction form
    8,803.90/13,206 = 2,960.56/x
  3. Step 3: Cross multiply
    8,803.90x = 13,206 × 2,960.56
  4. Step 4: Simplify right side
    8,803.90x = 39,097,155.36
  5. Step 5: Solve for x
    x = 39,097,155.36/8,803.90
  6. Step 6: Final answer
    x = 4,440.89

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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.