Home / 7,756.69-11,631.58-2,208.77

Finding the Fourth Proportional to 7,756.69, 11,631.58 and 2,208.77

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Solution

The fourth proportional to 7,756.69, 11,631.58 and 2,208.77 is: 3,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.69 : 11,631.58 = 2,208.77 : x
  2. Step 2: Convert to fraction form
    7,756.69/11,631.58 = 2,208.77/x
  3. Step 3: Cross multiply
    7,756.69x = 11,631.58 × 2,208.77
  4. Step 4: Simplify right side
    7,756.69x = 25,691,514.04
  5. Step 5: Solve for x
    x = 25,691,514.04/7,756.69
  6. Step 6: Final answer
    x = 3,312.18

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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.