Home / 8,623.71-12,936.38-2,383.47

Finding the Fourth Proportional to 8,623.71, 12,936.38 and 2,383.47

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Solution

The fourth proportional to 8,623.71, 12,936.38 and 2,383.47 is: 3,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.71 : 12,936.38 = 2,383.47 : x
  2. Step 2: Convert to fraction form
    8,623.71/12,936.38 = 2,383.47/x
  3. Step 3: Cross multiply
    8,623.71x = 12,936.38 × 2,383.47
  4. Step 4: Simplify right side
    8,623.71x = 30,833,461.72
  5. Step 5: Solve for x
    x = 30,833,461.72/8,623.71
  6. Step 6: Final answer
    x = 3,575.43

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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.