Home / 7,698.09-11,546.43-2,151.30

Finding the Fourth Proportional to 7,698.09, 11,546.43 and 2,151.30

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Solution

The fourth proportional to 7,698.09, 11,546.43 and 2,151.30 is: 3,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.09 : 11,546.43 = 2,151.30 : x
  2. Step 2: Convert to fraction form
    7,698.09/11,546.43 = 2,151.30/x
  3. Step 3: Cross multiply
    7,698.09x = 11,546.43 × 2,151.30
  4. Step 4: Simplify right side
    7,698.09x = 24,839,834.86
  5. Step 5: Solve for x
    x = 24,839,834.86/7,698.09
  6. Step 6: Final answer
    x = 3,226.75

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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.