Home / 7,137.35-10,707.56-3,627.83

Finding the Fourth Proportional to 7,137.35, 10,707.56 and 3,627.83

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Solution

The fourth proportional to 7,137.35, 10,707.56 and 3,627.83 is: 5,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.35 : 10,707.56 = 3,627.83 : x
  2. Step 2: Convert to fraction form
    7,137.35/10,707.56 = 3,627.83/x
  3. Step 3: Cross multiply
    7,137.35x = 10,707.56 × 3,627.83
  4. Step 4: Simplify right side
    7,137.35x = 38,845,207.39
  5. Step 5: Solve for x
    x = 38,845,207.39/7,137.35
  6. Step 6: Final answer
    x = 5,442.53

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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.