Home / 5,512.79-8,269.17-2,225.85

Finding the Fourth Proportional to 5,512.79, 8,269.17 and 2,225.85

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Solution

The fourth proportional to 5,512.79, 8,269.17 and 2,225.85 is: 3,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.79 : 8,269.17 = 2,225.85 : x
  2. Step 2: Convert to fraction form
    5,512.79/8,269.17 = 2,225.85/x
  3. Step 3: Cross multiply
    5,512.79x = 8,269.17 × 2,225.85
  4. Step 4: Simplify right side
    5,512.79x = 18,405,905.21
  5. Step 5: Solve for x
    x = 18,405,905.21/5,512.79
  6. Step 6: Final answer
    x = 3,338.76

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Half scale
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Double scale
Find fourth proportional to 5,513.79, 8,270.67 and 2,226.85
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.