Home / 4,381.10-6,540.45-4,227.32

Finding the Fourth Proportional to 4,381.10, 6,540.45 and 4,227.32

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Solution

The fourth proportional to 4,381.10, 6,540.45 and 4,227.32 is: 6,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.10 : 6,540.45 = 4,227.32 : x
  2. Step 2: Convert to fraction form
    4,381.10/6,540.45 = 4,227.32/x
  3. Step 3: Cross multiply
    4,381.10x = 6,540.45 × 4,227.32
  4. Step 4: Simplify right side
    4,381.10x = 27,648,575.59
  5. Step 5: Solve for x
    x = 27,648,575.59/4,381.10
  6. Step 6: Final answer
    x = 6,310.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.