Home / 5,134.60-7,696.68-2,212.12

Finding the Fourth Proportional to 5,134.60, 7,696.68 and 2,212.12

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Solution

The fourth proportional to 5,134.60, 7,696.68 and 2,212.12 is: 3,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.60 : 7,696.68 = 2,212.12 : x
  2. Step 2: Convert to fraction form
    5,134.60/7,696.68 = 2,212.12/x
  3. Step 3: Cross multiply
    5,134.60x = 7,696.68 × 2,212.12
  4. Step 4: Simplify right side
    5,134.60x = 17,025,979.76
  5. Step 5: Solve for x
    x = 17,025,979.76/5,134.60
  6. Step 6: Final answer
    x = 3,315.93

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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.