Home / 6,145.64-9,218.16-2,249.76

Finding the Fourth Proportional to 6,145.64, 9,218.16 and 2,249.76

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Solution

The fourth proportional to 6,145.64, 9,218.16 and 2,249.76 is: 3,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.64 : 9,218.16 = 2,249.76 : x
  2. Step 2: Convert to fraction form
    6,145.64/9,218.16 = 2,249.76/x
  3. Step 3: Cross multiply
    6,145.64x = 9,218.16 × 2,249.76
  4. Step 4: Simplify right side
    6,145.64x = 20,738,647.64
  5. Step 5: Solve for x
    x = 20,738,647.64/6,145.64
  6. Step 6: Final answer
    x = 3,374.53

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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.