Home / 4,451.40-6,677.10-2,147.40

Finding the Fourth Proportional to 4,451.40, 6,677.10 and 2,147.40

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Solution

The fourth proportional to 4,451.40, 6,677.10 and 2,147.40 is: 3,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.40 : 6,677.10 = 2,147.40 : x
  2. Step 2: Convert to fraction form
    4,451.40/6,677.10 = 2,147.40/x
  3. Step 3: Cross multiply
    4,451.40x = 6,677.10 × 2,147.40
  4. Step 4: Simplify right side
    4,451.40x = 14,338,404.54
  5. Step 5: Solve for x
    x = 14,338,404.54/4,451.40
  6. Step 6: Final answer
    x = 3,221.10

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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.