Home / 5,214.73-7,194.27-3,221.79

Finding the Fourth Proportional to 5,214.73, 7,194.27 and 3,221.79

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Solution

The fourth proportional to 5,214.73, 7,194.27 and 3,221.79 is: 4,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.73 : 7,194.27 = 3,221.79 : x
  2. Step 2: Convert to fraction form
    5,214.73/7,194.27 = 3,221.79/x
  3. Step 3: Cross multiply
    5,214.73x = 7,194.27 × 3,221.79
  4. Step 4: Simplify right side
    5,214.73x = 23,178,427.14
  5. Step 5: Solve for x
    x = 23,178,427.14/5,214.73
  6. Step 6: Final answer
    x = 4,444.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.