Home / 5,540.91-7,637.32-3,923.74

Finding the Fourth Proportional to 5,540.91, 7,637.32 and 3,923.74

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Solution

The fourth proportional to 5,540.91, 7,637.32 and 3,923.74 is: 5,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.91 : 7,637.32 = 3,923.74 : x
  2. Step 2: Convert to fraction form
    5,540.91/7,637.32 = 3,923.74/x
  3. Step 3: Cross multiply
    5,540.91x = 7,637.32 × 3,923.74
  4. Step 4: Simplify right side
    5,540.91x = 29,966,872.43
  5. Step 5: Solve for x
    x = 29,966,872.43/5,540.91
  6. Step 6: Final answer
    x = 5,408.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.