Home / 5,316.39-7,979.64-2,544.57

Finding the Fourth Proportional to 5,316.39, 7,979.64 and 2,544.57

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Solution

The fourth proportional to 5,316.39, 7,979.64 and 2,544.57 is: 3,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.39 : 7,979.64 = 2,544.57 : x
  2. Step 2: Convert to fraction form
    5,316.39/7,979.64 = 2,544.57/x
  3. Step 3: Cross multiply
    5,316.39x = 7,979.64 × 2,544.57
  4. Step 4: Simplify right side
    5,316.39x = 20,304,752.55
  5. Step 5: Solve for x
    x = 20,304,752.55/5,316.39
  6. Step 6: Final answer
    x = 3,819.27

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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.