Home / 7,756.32-11,634.56-2,209.66

Finding the Fourth Proportional to 7,756.32, 11,634.56 and 2,209.66

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Solution

The fourth proportional to 7,756.32, 11,634.56 and 2,209.66 is: 3,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.32 : 11,634.56 = 2,209.66 : x
  2. Step 2: Convert to fraction form
    7,756.32/11,634.56 = 2,209.66/x
  3. Step 3: Cross multiply
    7,756.32x = 11,634.56 × 2,209.66
  4. Step 4: Simplify right side
    7,756.32x = 25,708,421.85
  5. Step 5: Solve for x
    x = 25,708,421.85/7,756.32
  6. Step 6: Final answer
    x = 3,314.51

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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.