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Finding the Fourth Proportional to 8,367, 11,546.46 and 4,641.72

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Solution

The fourth proportional to 8,367, 11,546.46 and 4,641.72 is: 6,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367 : 11,546.46 = 4,641.72 : x
  2. Step 2: Convert to fraction form
    8,367/11,546.46 = 4,641.72/x
  3. Step 3: Cross multiply
    8,367x = 11,546.46 × 4,641.72
  4. Step 4: Simplify right side
    8,367x = 53,595,434.31
  5. Step 5: Solve for x
    x = 53,595,434.31/8,367
  6. Step 6: Final answer
    x = 6,405.57

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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.