Home / 6,524.82-9,788.58-3,189.78

Finding the Fourth Proportional to 6,524.82, 9,788.58 and 3,189.78

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Solution

The fourth proportional to 6,524.82, 9,788.58 and 3,189.78 is: 4,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.82 : 9,788.58 = 3,189.78 : x
  2. Step 2: Convert to fraction form
    6,524.82/9,788.58 = 3,189.78/x
  3. Step 3: Cross multiply
    6,524.82x = 9,788.58 × 3,189.78
  4. Step 4: Simplify right side
    6,524.82x = 31,223,416.71
  5. Step 5: Solve for x
    x = 31,223,416.71/6,524.82
  6. Step 6: Final answer
    x = 4,785.33

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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.