Home / 8,207.29-12,308.36-2,659.37

Finding the Fourth Proportional to 8,207.29, 12,308.36 and 2,659.37

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Solution

The fourth proportional to 8,207.29, 12,308.36 and 2,659.37 is: 3,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.29 : 12,308.36 = 2,659.37 : x
  2. Step 2: Convert to fraction form
    8,207.29/12,308.36 = 2,659.37/x
  3. Step 3: Cross multiply
    8,207.29x = 12,308.36 × 2,659.37
  4. Step 4: Simplify right side
    8,207.29x = 32,732,408.49
  5. Step 5: Solve for x
    x = 32,732,408.49/8,207.29
  6. Step 6: Final answer
    x = 3,988.21

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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.