Home / 8,465.82-12,699.09-3,272.46

Finding the Fourth Proportional to 8,465.82, 12,699.09 and 3,272.46

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Solution

The fourth proportional to 8,465.82, 12,699.09 and 3,272.46 is: 4,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.82 : 12,699.09 = 3,272.46 : x
  2. Step 2: Convert to fraction form
    8,465.82/12,699.09 = 3,272.46/x
  3. Step 3: Cross multiply
    8,465.82x = 12,699.09 × 3,272.46
  4. Step 4: Simplify right side
    8,465.82x = 41,557,264.06
  5. Step 5: Solve for x
    x = 41,557,264.06/8,465.82
  6. Step 6: Final answer
    x = 4,908.83

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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.