Home / 5,571.21-8,356.83-2,285.85

Finding the Fourth Proportional to 5,571.21, 8,356.83 and 2,285.85

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Solution

The fourth proportional to 5,571.21, 8,356.83 and 2,285.85 is: 3,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.21 : 8,356.83 = 2,285.85 : x
  2. Step 2: Convert to fraction form
    5,571.21/8,356.83 = 2,285.85/x
  3. Step 3: Cross multiply
    5,571.21x = 8,356.83 × 2,285.85
  4. Step 4: Simplify right side
    5,571.21x = 19,102,459.86
  5. Step 5: Solve for x
    x = 19,102,459.86/5,571.21
  6. Step 6: Final answer
    x = 3,428.78

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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.