Home / 3,747.21-5,613.50-2,921.63

Finding the Fourth Proportional to 3,747.21, 5,613.50 and 2,921.63

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Solution

The fourth proportional to 3,747.21, 5,613.50 and 2,921.63 is: 4,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.21 : 5,613.50 = 2,921.63 : x
  2. Step 2: Convert to fraction form
    3,747.21/5,613.50 = 2,921.63/x
  3. Step 3: Cross multiply
    3,747.21x = 5,613.50 × 2,921.63
  4. Step 4: Simplify right side
    3,747.21x = 16,400,527.33
  5. Step 5: Solve for x
    x = 16,400,527.33/3,747.21
  6. Step 6: Final answer
    x = 4,376.73

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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.