Home / 7,898.03-11,836.77-3,212.58

Finding the Fourth Proportional to 7,898.03, 11,836.77 and 3,212.58

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Solution

The fourth proportional to 7,898.03, 11,836.77 and 3,212.58 is: 4,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.03 : 11,836.77 = 3,212.58 : x
  2. Step 2: Convert to fraction form
    7,898.03/11,836.77 = 3,212.58/x
  3. Step 3: Cross multiply
    7,898.03x = 11,836.77 × 3,212.58
  4. Step 4: Simplify right side
    7,898.03x = 38,026,570.57
  5. Step 5: Solve for x
    x = 38,026,570.57/7,898.03
  6. Step 6: Final answer
    x = 4,814.69

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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.