Home / 8,455.14-12,682.70-3,257.38

Finding the Fourth Proportional to 8,455.14, 12,682.70 and 3,257.38

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Solution

The fourth proportional to 8,455.14, 12,682.70 and 3,257.38 is: 4,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.14 : 12,682.70 = 3,257.38 : x
  2. Step 2: Convert to fraction form
    8,455.14/12,682.70 = 3,257.38/x
  3. Step 3: Cross multiply
    8,455.14x = 12,682.70 × 3,257.38
  4. Step 4: Simplify right side
    8,455.14x = 41,312,373.33
  5. Step 5: Solve for x
    x = 41,312,373.33/8,455.14
  6. Step 6: Final answer
    x = 4,886.07

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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.