Home / 7,965.60-11,951.61-3,585.12

Finding the Fourth Proportional to 7,965.60, 11,951.61 and 3,585.12

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Solution

The fourth proportional to 7,965.60, 11,951.61 and 3,585.12 is: 5,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.60 : 11,951.61 = 3,585.12 : x
  2. Step 2: Convert to fraction form
    7,965.60/11,951.61 = 3,585.12/x
  3. Step 3: Cross multiply
    7,965.60x = 11,951.61 × 3,585.12
  4. Step 4: Simplify right side
    7,965.60x = 42,847,956.04
  5. Step 5: Solve for x
    x = 42,847,956.04/7,965.60
  6. Step 6: Final answer
    x = 5,379.12

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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.