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Finding the Fourth Proportional to 6,161.94, 9,244.13 and 1,779.44

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Solution

The fourth proportional to 6,161.94, 9,244.13 and 1,779.44 is: 2,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.94 : 9,244.13 = 1,779.44 : x
  2. Step 2: Convert to fraction form
    6,161.94/9,244.13 = 1,779.44/x
  3. Step 3: Cross multiply
    6,161.94x = 9,244.13 × 1,779.44
  4. Step 4: Simplify right side
    6,161.94x = 16,449,319.57
  5. Step 5: Solve for x
    x = 16,449,319.57/6,161.94
  6. Step 6: Final answer
    x = 2,669.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.