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Finding the Fourth Proportional to 8,355.33, 12,530.95 and 3,676.52

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Solution

The fourth proportional to 8,355.33, 12,530.95 and 3,676.52 is: 5,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.33 : 12,530.95 = 3,676.52 : x
  2. Step 2: Convert to fraction form
    8,355.33/12,530.95 = 3,676.52/x
  3. Step 3: Cross multiply
    8,355.33x = 12,530.95 × 3,676.52
  4. Step 4: Simplify right side
    8,355.33x = 46,070,288.29
  5. Step 5: Solve for x
    x = 46,070,288.29/8,355.33
  6. Step 6: Final answer
    x = 5,513.88

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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.