Home / 4,498.70-6,205.38-3,220.22

Finding the Fourth Proportional to 4,498.70, 6,205.38 and 3,220.22

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Solution

The fourth proportional to 4,498.70, 6,205.38 and 3,220.22 is: 4,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.70 : 6,205.38 = 3,220.22 : x
  2. Step 2: Convert to fraction form
    4,498.70/6,205.38 = 3,220.22/x
  3. Step 3: Cross multiply
    4,498.70x = 6,205.38 × 3,220.22
  4. Step 4: Simplify right side
    4,498.70x = 19,982,688.78
  5. Step 5: Solve for x
    x = 19,982,688.78/4,498.70
  6. Step 6: Final answer
    x = 4,441.88

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Half scale
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Double scale
Find fourth proportional to 4,499.70, 6,206.76 and 3,221.22
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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.