Home / 7,684.88-11,527.31-2,490.75

Finding the Fourth Proportional to 7,684.88, 11,527.31 and 2,490.75

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Solution

The fourth proportional to 7,684.88, 11,527.31 and 2,490.75 is: 3,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.88 : 11,527.31 = 2,490.75 : x
  2. Step 2: Convert to fraction form
    7,684.88/11,527.31 = 2,490.75/x
  3. Step 3: Cross multiply
    7,684.88x = 11,527.31 × 2,490.75
  4. Step 4: Simplify right side
    7,684.88x = 28,711,653.61
  5. Step 5: Solve for x
    x = 28,711,653.61/7,684.88
  6. Step 6: Final answer
    x = 3,736.13

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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.