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Finding the Fourth Proportional to 7,689.71, 11,536.36 and 3,304.73

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Solution

The fourth proportional to 7,689.71, 11,536.36 and 3,304.73 is: 4,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.71 : 11,536.36 = 3,304.73 : x
  2. Step 2: Convert to fraction form
    7,689.71/11,536.36 = 3,304.73/x
  3. Step 3: Cross multiply
    7,689.71x = 11,536.36 × 3,304.73
  4. Step 4: Simplify right side
    7,689.71x = 38,124,489.04
  5. Step 5: Solve for x
    x = 38,124,489.04/7,689.71
  6. Step 6: Final answer
    x = 4,957.86

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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.