Home / 5,381.68-8,072.60-3,544.56

Finding the Fourth Proportional to 5,381.68, 8,072.60 and 3,544.56

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Solution

The fourth proportional to 5,381.68, 8,072.60 and 3,544.56 is: 5,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.68 : 8,072.60 = 3,544.56 : x
  2. Step 2: Convert to fraction form
    5,381.68/8,072.60 = 3,544.56/x
  3. Step 3: Cross multiply
    5,381.68x = 8,072.60 × 3,544.56
  4. Step 4: Simplify right side
    5,381.68x = 28,613,815.06
  5. Step 5: Solve for x
    x = 28,613,815.06/5,381.68
  6. Step 6: Final answer
    x = 5,316.89

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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.