Home / 7,685.59-11,531.82-3,734.68

Finding the Fourth Proportional to 7,685.59, 11,531.82 and 3,734.68

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Solution

The fourth proportional to 7,685.59, 11,531.82 and 3,734.68 is: 5,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.59 : 11,531.82 = 3,734.68 : x
  2. Step 2: Convert to fraction form
    7,685.59/11,531.82 = 3,734.68/x
  3. Step 3: Cross multiply
    7,685.59x = 11,531.82 × 3,734.68
  4. Step 4: Simplify right side
    7,685.59x = 43,067,657.52
  5. Step 5: Solve for x
    x = 43,067,657.52/7,685.59
  6. Step 6: Final answer
    x = 5,603.69

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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.