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Finding the Fourth Proportional to 9,011.88, 13,512 and 3,750.53

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Solution

The fourth proportional to 9,011.88, 13,512 and 3,750.53 is: 5,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.88 : 13,512 = 3,750.53 : x
  2. Step 2: Convert to fraction form
    9,011.88/13,512 = 3,750.53/x
  3. Step 3: Cross multiply
    9,011.88x = 13,512 × 3,750.53
  4. Step 4: Simplify right side
    9,011.88x = 50,677,093.80
  5. Step 5: Solve for x
    x = 50,677,093.80/9,011.88
  6. Step 6: Final answer
    x = 5,623.37

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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.