Home / 4,853.39-7,280.94-3,211.28

Finding the Fourth Proportional to 4,853.39, 7,280.94 and 3,211.28

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Solution

The fourth proportional to 4,853.39, 7,280.94 and 3,211.28 is: 4,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.39 : 7,280.94 = 3,211.28 : x
  2. Step 2: Convert to fraction form
    4,853.39/7,280.94 = 3,211.28/x
  3. Step 3: Cross multiply
    4,853.39x = 7,280.94 × 3,211.28
  4. Step 4: Simplify right side
    4,853.39x = 23,381,137.00
  5. Step 5: Solve for x
    x = 23,381,137.00/4,853.39
  6. Step 6: Final answer
    x = 4,817.49

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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.