Home / 8,900.88-13,353.22-2,661.38

Finding the Fourth Proportional to 8,900.88, 13,353.22 and 2,661.38

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Solution

The fourth proportional to 8,900.88, 13,353.22 and 2,661.38 is: 3,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.88 : 13,353.22 = 2,661.38 : x
  2. Step 2: Convert to fraction form
    8,900.88/13,353.22 = 2,661.38/x
  3. Step 3: Cross multiply
    8,900.88x = 13,353.22 × 2,661.38
  4. Step 4: Simplify right side
    8,900.88x = 35,537,992.64
  5. Step 5: Solve for x
    x = 35,537,992.64/8,900.88
  6. Step 6: Final answer
    x = 3,992.64

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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.