Home / 6,138.42-9,207.63-2,849.72

Finding the Fourth Proportional to 6,138.42, 9,207.63 and 2,849.72

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Solution

The fourth proportional to 6,138.42, 9,207.63 and 2,849.72 is: 4,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.42 : 9,207.63 = 2,849.72 : x
  2. Step 2: Convert to fraction form
    6,138.42/9,207.63 = 2,849.72/x
  3. Step 3: Cross multiply
    6,138.42x = 9,207.63 × 2,849.72
  4. Step 4: Simplify right side
    6,138.42x = 26,239,121.33
  5. Step 5: Solve for x
    x = 26,239,121.33/6,138.42
  6. Step 6: Final answer
    x = 4,274.57

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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.