Home / 7,756.14-11,634.57-2,209.86

Finding the Fourth Proportional to 7,756.14, 11,634.57 and 2,209.86

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Solution

The fourth proportional to 7,756.14, 11,634.57 and 2,209.86 is: 3,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.14 : 11,634.57 = 2,209.86 : x
  2. Step 2: Convert to fraction form
    7,756.14/11,634.57 = 2,209.86/x
  3. Step 3: Cross multiply
    7,756.14x = 11,634.57 × 2,209.86
  4. Step 4: Simplify right side
    7,756.14x = 25,710,770.86
  5. Step 5: Solve for x
    x = 25,710,770.86/7,756.14
  6. Step 6: Final answer
    x = 3,314.89

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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.