Home / 5,113.62-7,668.54-4,020.12

Finding the Fourth Proportional to 5,113.62, 7,668.54 and 4,020.12

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Solution

The fourth proportional to 5,113.62, 7,668.54 and 4,020.12 is: 6,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.62 : 7,668.54 = 4,020.12 : x
  2. Step 2: Convert to fraction form
    5,113.62/7,668.54 = 4,020.12/x
  3. Step 3: Cross multiply
    5,113.62x = 7,668.54 × 4,020.12
  4. Step 4: Simplify right side
    5,113.62x = 30,828,451.02
  5. Step 5: Solve for x
    x = 30,828,451.02/5,113.62
  6. Step 6: Final answer
    x = 6,028.69

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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.