Home / 6,140.75-9,211.23-2,245.13

Finding the Fourth Proportional to 6,140.75, 9,211.23 and 2,245.13

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Solution

The fourth proportional to 6,140.75, 9,211.23 and 2,245.13 is: 3,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.75 : 9,211.23 = 2,245.13 : x
  2. Step 2: Convert to fraction form
    6,140.75/9,211.23 = 2,245.13/x
  3. Step 3: Cross multiply
    6,140.75x = 9,211.23 × 2,245.13
  4. Step 4: Simplify right side
    6,140.75x = 20,680,362.75
  5. Step 5: Solve for x
    x = 20,680,362.75/6,140.75
  6. Step 6: Final answer
    x = 3,367.72

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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.