Home / 8,175.45-12,252.38-2,976.33

Finding the Fourth Proportional to 8,175.45, 12,252.38 and 2,976.33

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Solution

The fourth proportional to 8,175.45, 12,252.38 and 2,976.33 is: 4,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.45 : 12,252.38 = 2,976.33 : x
  2. Step 2: Convert to fraction form
    8,175.45/12,252.38 = 2,976.33/x
  3. Step 3: Cross multiply
    8,175.45x = 12,252.38 × 2,976.33
  4. Step 4: Simplify right side
    8,175.45x = 36,467,126.17
  5. Step 5: Solve for x
    x = 36,467,126.17/8,175.45
  6. Step 6: Final answer
    x = 4,460.57

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1.5x scale

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.