Home / 5,154.75-7,725.79-2,377.57

Finding the Fourth Proportional to 5,154.75, 7,725.79 and 2,377.57

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Solution

The fourth proportional to 5,154.75, 7,725.79 and 2,377.57 is: 3,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.75 : 7,725.79 = 2,377.57 : x
  2. Step 2: Convert to fraction form
    5,154.75/7,725.79 = 2,377.57/x
  3. Step 3: Cross multiply
    5,154.75x = 7,725.79 × 2,377.57
  4. Step 4: Simplify right side
    5,154.75x = 18,368,556.01
  5. Step 5: Solve for x
    x = 18,368,556.01/5,154.75
  6. Step 6: Final answer
    x = 3,563.42

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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.