Home / 4,451.76-6,143.04-3,270.78

Finding the Fourth Proportional to 4,451.76, 6,143.04 and 3,270.78

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Solution

The fourth proportional to 4,451.76, 6,143.04 and 3,270.78 is: 4,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.76 : 6,143.04 = 3,270.78 : x
  2. Step 2: Convert to fraction form
    4,451.76/6,143.04 = 3,270.78/x
  3. Step 3: Cross multiply
    4,451.76x = 6,143.04 × 3,270.78
  4. Step 4: Simplify right side
    4,451.76x = 20,092,532.37
  5. Step 5: Solve for x
    x = 20,092,532.37/4,451.76
  6. Step 6: Final answer
    x = 4,513.39

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Half scale
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Double scale
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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.