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Finding the Fourth Proportional to 8,043.10, 11,099.78 and 4,506.19

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Solution

The fourth proportional to 8,043.10, 11,099.78 and 4,506.19 is: 6,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.10 : 11,099.78 = 4,506.19 : x
  2. Step 2: Convert to fraction form
    8,043.10/11,099.78 = 4,506.19/x
  3. Step 3: Cross multiply
    8,043.10x = 11,099.78 × 4,506.19
  4. Step 4: Simplify right side
    8,043.10x = 50,017,684.26
  5. Step 5: Solve for x
    x = 50,017,684.26/8,043.10
  6. Step 6: Final answer
    x = 6,218.71

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Half scale
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Double scale
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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.