Home / 4,388.05-6,578.97-2,195.20

Finding the Fourth Proportional to 4,388.05, 6,578.97 and 2,195.20

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Solution

The fourth proportional to 4,388.05, 6,578.97 and 2,195.20 is: 3,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.05 : 6,578.97 = 2,195.20 : x
  2. Step 2: Convert to fraction form
    4,388.05/6,578.97 = 2,195.20/x
  3. Step 3: Cross multiply
    4,388.05x = 6,578.97 × 2,195.20
  4. Step 4: Simplify right side
    4,388.05x = 14,442,154.94
  5. Step 5: Solve for x
    x = 14,442,154.94/4,388.05
  6. Step 6: Final answer
    x = 3,291.25

Related Problems

Find fourth proportional to 2,194.03, 3,289.49 and 1,097.60
Half scale
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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.