Home / 5,116.40-7,664.56-2,652.85

Finding the Fourth Proportional to 5,116.40, 7,664.56 and 2,652.85

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Solution

The fourth proportional to 5,116.40, 7,664.56 and 2,652.85 is: 3,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.40 : 7,664.56 = 2,652.85 : x
  2. Step 2: Convert to fraction form
    5,116.40/7,664.56 = 2,652.85/x
  3. Step 3: Cross multiply
    5,116.40x = 7,664.56 × 2,652.85
  4. Step 4: Simplify right side
    5,116.40x = 20,332,930.94
  5. Step 5: Solve for x
    x = 20,332,930.94/5,116.40
  6. Step 6: Final answer
    x = 3,974.07

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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.