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Finding the Fourth Proportional to 8,544.80, 11,793.12 and 6,186.08

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Solution

The fourth proportional to 8,544.80, 11,793.12 and 6,186.08 is: 8,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.80 : 11,793.12 = 6,186.08 : x
  2. Step 2: Convert to fraction form
    8,544.80/11,793.12 = 6,186.08/x
  3. Step 3: Cross multiply
    8,544.80x = 11,793.12 × 6,186.08
  4. Step 4: Simplify right side
    8,544.80x = 72,953,183.77
  5. Step 5: Solve for x
    x = 72,953,183.77/8,544.80
  6. Step 6: Final answer
    x = 8,537.73

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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.