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Finding the Fourth Proportional to 8,544.96, 11,784.67 and 5,559.70

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Solution

The fourth proportional to 8,544.96, 11,784.67 and 5,559.70 is: 7,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.96 : 11,784.67 = 5,559.70 : x
  2. Step 2: Convert to fraction form
    8,544.96/11,784.67 = 5,559.70/x
  3. Step 3: Cross multiply
    8,544.96x = 11,784.67 × 5,559.70
  4. Step 4: Simplify right side
    8,544.96x = 65,519,229.80
  5. Step 5: Solve for x
    x = 65,519,229.80/8,544.96
  6. Step 6: Final answer
    x = 7,667.59

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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.