Home / 8,211.44-11,328.97-4,625.84

Finding the Fourth Proportional to 8,211.44, 11,328.97 and 4,625.84

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Solution

The fourth proportional to 8,211.44, 11,328.97 and 4,625.84 is: 6,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.44 : 11,328.97 = 4,625.84 : x
  2. Step 2: Convert to fraction form
    8,211.44/11,328.97 = 4,625.84/x
  3. Step 3: Cross multiply
    8,211.44x = 11,328.97 × 4,625.84
  4. Step 4: Simplify right side
    8,211.44x = 52,406,002.58
  5. Step 5: Solve for x
    x = 52,406,002.58/8,211.44
  6. Step 6: Final answer
    x = 6,382.07

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Half 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.