Home / 7,756.75-11,636.48-2,209.96

Finding the Fourth Proportional to 7,756.75, 11,636.48 and 2,209.96

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Solution

The fourth proportional to 7,756.75, 11,636.48 and 2,209.96 is: 3,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.75 : 11,636.48 = 2,209.96 : x
  2. Step 2: Convert to fraction form
    7,756.75/11,636.48 = 2,209.96/x
  3. Step 3: Cross multiply
    7,756.75x = 11,636.48 × 2,209.96
  4. Step 4: Simplify right side
    7,756.75x = 25,716,086.11
  5. Step 5: Solve for x
    x = 25,716,086.11/7,756.75
  6. Step 6: Final answer
    x = 3,315.32

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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.