Home / 8,168.45-11,269.88-4,630.97

Finding the Fourth Proportional to 8,168.45, 11,269.88 and 4,630.97

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Solution

The fourth proportional to 8,168.45, 11,269.88 and 4,630.97 is: 6,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.45 : 11,269.88 = 4,630.97 : x
  2. Step 2: Convert to fraction form
    8,168.45/11,269.88 = 4,630.97/x
  3. Step 3: Cross multiply
    8,168.45x = 11,269.88 × 4,630.97
  4. Step 4: Simplify right side
    8,168.45x = 52,190,524.62
  5. Step 5: Solve for x
    x = 52,190,524.62/8,168.45
  6. Step 6: Final answer
    x = 6,389.29

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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.