Home / 8,669.72-13,001.64-2,824.88

Finding the Fourth Proportional to 8,669.72, 13,001.64 and 2,824.88

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Solution

The fourth proportional to 8,669.72, 13,001.64 and 2,824.88 is: 4,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.72 : 13,001.64 = 2,824.88 : x
  2. Step 2: Convert to fraction form
    8,669.72/13,001.64 = 2,824.88/x
  3. Step 3: Cross multiply
    8,669.72x = 13,001.64 × 2,824.88
  4. Step 4: Simplify right side
    8,669.72x = 36,728,072.80
  5. Step 5: Solve for x
    x = 36,728,072.80/8,669.72
  6. Step 6: Final answer
    x = 4,236.36

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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.