Home / 7,748.83-11,616.42-3,072.12

Finding the Fourth Proportional to 7,748.83, 11,616.42 and 3,072.12

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Solution

The fourth proportional to 7,748.83, 11,616.42 and 3,072.12 is: 4,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.83 : 11,616.42 = 3,072.12 : x
  2. Step 2: Convert to fraction form
    7,748.83/11,616.42 = 3,072.12/x
  3. Step 3: Cross multiply
    7,748.83x = 11,616.42 × 3,072.12
  4. Step 4: Simplify right side
    7,748.83x = 35,687,044.54
  5. Step 5: Solve for x
    x = 35,687,044.54/7,748.83
  6. Step 6: Final answer
    x = 4,605.48

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1.5x scale

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.