Home / 6,142.68-9,214.20-2,247.12

Finding the Fourth Proportional to 6,142.68, 9,214.20 and 2,247.12

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Solution

The fourth proportional to 6,142.68, 9,214.20 and 2,247.12 is: 3,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.68 : 9,214.20 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    6,142.68/9,214.20 = 2,247.12/x
  3. Step 3: Cross multiply
    6,142.68x = 9,214.20 × 2,247.12
  4. Step 4: Simplify right side
    6,142.68x = 20,705,413.10
  5. Step 5: Solve for x
    x = 20,705,413.10/6,142.68
  6. Step 6: Final answer
    x = 3,370.75

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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.