Home / 7,763.29-11,632.78-3,080.77

Finding the Fourth Proportional to 7,763.29, 11,632.78 and 3,080.77

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Solution

The fourth proportional to 7,763.29, 11,632.78 and 3,080.77 is: 4,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.29 : 11,632.78 = 3,080.77 : x
  2. Step 2: Convert to fraction form
    7,763.29/11,632.78 = 3,080.77/x
  3. Step 3: Cross multiply
    7,763.29x = 11,632.78 × 3,080.77
  4. Step 4: Simplify right side
    7,763.29x = 35,837,919.64
  5. Step 5: Solve for x
    x = 35,837,919.64/7,763.29
  6. Step 6: Final answer
    x = 4,616.33

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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.