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Finding the Fourth Proportional to 8,441.20, 11,649.09 and 4,613.09

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Solution

The fourth proportional to 8,441.20, 11,649.09 and 4,613.09 is: 6,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.20 : 11,649.09 = 4,613.09 : x
  2. Step 2: Convert to fraction form
    8,441.20/11,649.09 = 4,613.09/x
  3. Step 3: Cross multiply
    8,441.20x = 11,649.09 × 4,613.09
  4. Step 4: Simplify right side
    8,441.20x = 53,738,300.59
  5. Step 5: Solve for x
    x = 53,738,300.59/8,441.20
  6. Step 6: Final answer
    x = 6,366.19

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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.