Home / 4,536.62-6,817.80-2,688.11

Finding the Fourth Proportional to 4,536.62, 6,817.80 and 2,688.11

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Solution

The fourth proportional to 4,536.62, 6,817.80 and 2,688.11 is: 4,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536.62 : 6,817.80 = 2,688.11 : x
  2. Step 2: Convert to fraction form
    4,536.62/6,817.80 = 2,688.11/x
  3. Step 3: Cross multiply
    4,536.62x = 6,817.80 × 2,688.11
  4. Step 4: Simplify right side
    4,536.62x = 18,326,996.36
  5. Step 5: Solve for x
    x = 18,326,996.36/4,536.62
  6. Step 6: Final answer
    x = 4,039.79

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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.