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Finding the Fourth Proportional to 6,145.55, 9,219.23 and 2,249.65

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Solution

The fourth proportional to 6,145.55, 9,219.23 and 2,249.65 is: 3,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.55 : 9,219.23 = 2,249.65 : x
  2. Step 2: Convert to fraction form
    6,145.55/9,219.23 = 2,249.65/x
  3. Step 3: Cross multiply
    6,145.55x = 9,219.23 × 2,249.65
  4. Step 4: Simplify right side
    6,145.55x = 20,740,026.72
  5. Step 5: Solve for x
    x = 20,740,026.72/6,145.55
  6. Step 6: Final answer
    x = 3,374.81

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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.