Home / 4,381.30-6,540.74-4,227.51

Finding the Fourth Proportional to 4,381.30, 6,540.74 and 4,227.51

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Solution

The fourth proportional to 4,381.30, 6,540.74 and 4,227.51 is: 6,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.30 : 6,540.74 = 4,227.51 : x
  2. Step 2: Convert to fraction form
    4,381.30/6,540.74 = 4,227.51/x
  3. Step 3: Cross multiply
    4,381.30x = 6,540.74 × 4,227.51
  4. Step 4: Simplify right side
    4,381.30x = 27,651,022.62
  5. Step 5: Solve for x
    x = 27,651,022.62/4,381.30
  6. Step 6: Final answer
    x = 6,311.15

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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.