Home / 8,634.53-12,949.87-3,088.25

Finding the Fourth Proportional to 8,634.53, 12,949.87 and 3,088.25

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Solution

The fourth proportional to 8,634.53, 12,949.87 and 3,088.25 is: 4,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.53 : 12,949.87 = 3,088.25 : x
  2. Step 2: Convert to fraction form
    8,634.53/12,949.87 = 3,088.25/x
  3. Step 3: Cross multiply
    8,634.53x = 12,949.87 × 3,088.25
  4. Step 4: Simplify right side
    8,634.53x = 39,992,363.56
  5. Step 5: Solve for x
    x = 39,992,363.56/8,634.53
  6. Step 6: Final answer
    x = 4,631.68

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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.