Home / 8,544.18-12,816-3,612.48

Finding the Fourth Proportional to 8,544.18, 12,816 and 3,612.48

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Solution

The fourth proportional to 8,544.18, 12,816 and 3,612.48 is: 5,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.18 : 12,816 = 3,612.48 : x
  2. Step 2: Convert to fraction form
    8,544.18/12,816 = 3,612.48/x
  3. Step 3: Cross multiply
    8,544.18x = 12,816 × 3,612.48
  4. Step 4: Simplify right side
    8,544.18x = 46,297,543.68
  5. Step 5: Solve for x
    x = 46,297,543.68/8,544.18
  6. Step 6: Final answer
    x = 5,418.61

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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.