Home / 7,898.48-11,851.83-3,221.94

Finding the Fourth Proportional to 7,898.48, 11,851.83 and 3,221.94

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Solution

The fourth proportional to 7,898.48, 11,851.83 and 3,221.94 is: 4,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.48 : 11,851.83 = 3,221.94 : x
  2. Step 2: Convert to fraction form
    7,898.48/11,851.83 = 3,221.94/x
  3. Step 3: Cross multiply
    7,898.48x = 11,851.83 × 3,221.94
  4. Step 4: Simplify right side
    7,898.48x = 38,185,885.15
  5. Step 5: Solve for x
    x = 38,185,885.15/7,898.48
  6. Step 6: Final answer
    x = 4,834.59

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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.