Home / 7,836.22-11,754.34-1,913.09

Finding the Fourth Proportional to 7,836.22, 11,754.34 and 1,913.09

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Solution

The fourth proportional to 7,836.22, 11,754.34 and 1,913.09 is: 2,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.22 : 11,754.34 = 1,913.09 : x
  2. Step 2: Convert to fraction form
    7,836.22/11,754.34 = 1,913.09/x
  3. Step 3: Cross multiply
    7,836.22x = 11,754.34 × 1,913.09
  4. Step 4: Simplify right side
    7,836.22x = 22,487,151.31
  5. Step 5: Solve for x
    x = 22,487,151.31/7,836.22
  6. Step 6: Final answer
    x = 2,869.64

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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.