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Finding the Fourth Proportional to 8,364.06, 11,536.92 and 5,375.16

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Solution

The fourth proportional to 8,364.06, 11,536.92 and 5,375.16 is: 7,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.06 : 11,536.92 = 5,375.16 : x
  2. Step 2: Convert to fraction form
    8,364.06/11,536.92 = 5,375.16/x
  3. Step 3: Cross multiply
    8,364.06x = 11,536.92 × 5,375.16
  4. Step 4: Simplify right side
    8,364.06x = 62,012,790.91
  5. Step 5: Solve for x
    x = 62,012,790.91/8,364.06
  6. Step 6: Final answer
    x = 7,414.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.