Home / 7,382.96-11,073.62-2,638.11

Finding the Fourth Proportional to 7,382.96, 11,073.62 and 2,638.11

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Solution

The fourth proportional to 7,382.96, 11,073.62 and 2,638.11 is: 3,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.96 : 11,073.62 = 2,638.11 : x
  2. Step 2: Convert to fraction form
    7,382.96/11,073.62 = 2,638.11/x
  3. Step 3: Cross multiply
    7,382.96x = 11,073.62 × 2,638.11
  4. Step 4: Simplify right side
    7,382.96x = 29,213,382.35
  5. Step 5: Solve for x
    x = 29,213,382.35/7,382.96
  6. Step 6: Final answer
    x = 3,956.86

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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.