Home / 7,689.15-11,524.48-3,245.09

Finding the Fourth Proportional to 7,689.15, 11,524.48 and 3,245.09

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Solution

The fourth proportional to 7,689.15, 11,524.48 and 3,245.09 is: 4,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.15 : 11,524.48 = 3,245.09 : x
  2. Step 2: Convert to fraction form
    7,689.15/11,524.48 = 3,245.09/x
  3. Step 3: Cross multiply
    7,689.15x = 11,524.48 × 3,245.09
  4. Step 4: Simplify right side
    7,689.15x = 37,397,909.07
  5. Step 5: Solve for x
    x = 37,397,909.07/7,689.15
  6. Step 6: Final answer
    x = 4,863.72

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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.