Home / 4,453.40-6,680.10-4,388.60

Finding the Fourth Proportional to 4,453.40, 6,680.10 and 4,388.60

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Solution

The fourth proportional to 4,453.40, 6,680.10 and 4,388.60 is: 6,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.40 : 6,680.10 = 4,388.60 : x
  2. Step 2: Convert to fraction form
    4,453.40/6,680.10 = 4,388.60/x
  3. Step 3: Cross multiply
    4,453.40x = 6,680.10 × 4,388.60
  4. Step 4: Simplify right side
    4,453.40x = 29,316,286.86
  5. Step 5: Solve for x
    x = 29,316,286.86/4,453.40
  6. Step 6: Final answer
    x = 6,582.90

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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.