Home / 7,575.60-11,360.52-3,191.88

Finding the Fourth Proportional to 7,575.60, 11,360.52 and 3,191.88

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Solution

The fourth proportional to 7,575.60, 11,360.52 and 3,191.88 is: 4,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.60 : 11,360.52 = 3,191.88 : x
  2. Step 2: Convert to fraction form
    7,575.60/11,360.52 = 3,191.88/x
  3. Step 3: Cross multiply
    7,575.60x = 11,360.52 × 3,191.88
  4. Step 4: Simplify right side
    7,575.60x = 36,261,416.58
  5. Step 5: Solve for x
    x = 36,261,416.58/7,575.60
  6. Step 6: Final answer
    x = 4,786.61

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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.