Home / 7,926.60-11,891.86-2,380.04

Finding the Fourth Proportional to 7,926.60, 11,891.86 and 2,380.04

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Solution

The fourth proportional to 7,926.60, 11,891.86 and 2,380.04 is: 3,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.60 : 11,891.86 = 2,380.04 : x
  2. Step 2: Convert to fraction form
    7,926.60/11,891.86 = 2,380.04/x
  3. Step 3: Cross multiply
    7,926.60x = 11,891.86 × 2,380.04
  4. Step 4: Simplify right side
    7,926.60x = 28,303,102.47
  5. Step 5: Solve for x
    x = 28,303,102.47/7,926.60
  6. Step 6: Final answer
    x = 3,570.65

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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.