Home / 5,200.62-7,800.69-1,452.42

Finding the Fourth Proportional to 5,200.62, 7,800.69 and 1,452.42

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Solution

The fourth proportional to 5,200.62, 7,800.69 and 1,452.42 is: 2,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.62 : 7,800.69 = 1,452.42 : x
  2. Step 2: Convert to fraction form
    5,200.62/7,800.69 = 1,452.42/x
  3. Step 3: Cross multiply
    5,200.62x = 7,800.69 × 1,452.42
  4. Step 4: Simplify right side
    5,200.62x = 11,329,883.62
  5. Step 5: Solve for x
    x = 11,329,883.62/5,200.62
  6. Step 6: Final answer
    x = 2,178.57

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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.