Home / 4,817.64-7,227.36-2,220.78

Finding the Fourth Proportional to 4,817.64, 7,227.36 and 2,220.78

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Solution

The fourth proportional to 4,817.64, 7,227.36 and 2,220.78 is: 3,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.64 : 7,227.36 = 2,220.78 : x
  2. Step 2: Convert to fraction form
    4,817.64/7,227.36 = 2,220.78/x
  3. Step 3: Cross multiply
    4,817.64x = 7,227.36 × 2,220.78
  4. Step 4: Simplify right side
    4,817.64x = 16,050,376.54
  5. Step 5: Solve for x
    x = 16,050,376.54/4,817.64
  6. Step 6: Final answer
    x = 3,331.58

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Double scale
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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.