Home / 7,461.88-11,185.82-2,528.04

Finding the Fourth Proportional to 7,461.88, 11,185.82 and 2,528.04

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Solution

The fourth proportional to 7,461.88, 11,185.82 and 2,528.04 is: 3,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.88 : 11,185.82 = 2,528.04 : x
  2. Step 2: Convert to fraction form
    7,461.88/11,185.82 = 2,528.04/x
  3. Step 3: Cross multiply
    7,461.88x = 11,185.82 × 2,528.04
  4. Step 4: Simplify right side
    7,461.88x = 28,278,151.91
  5. Step 5: Solve for x
    x = 28,278,151.91/7,461.88
  6. Step 6: Final answer
    x = 3,789.68

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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.