Home / 6,142.05-9,211.25-2,245.55

Finding the Fourth Proportional to 6,142.05, 9,211.25 and 2,245.55

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Solution

The fourth proportional to 6,142.05, 9,211.25 and 2,245.55 is: 3,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.05 : 9,211.25 = 2,245.55 : x
  2. Step 2: Convert to fraction form
    6,142.05/9,211.25 = 2,245.55/x
  3. Step 3: Cross multiply
    6,142.05x = 9,211.25 × 2,245.55
  4. Step 4: Simplify right side
    6,142.05x = 20,684,282.00
  5. Step 5: Solve for x
    x = 20,684,282.00/6,142.05
  6. Step 6: Final answer
    x = 3,367.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.