Home / 5,110.72-7,660.60-2,914.72

Finding the Fourth Proportional to 5,110.72, 7,660.60 and 2,914.72

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Solution

The fourth proportional to 5,110.72, 7,660.60 and 2,914.72 is: 4,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.72 : 7,660.60 = 2,914.72 : x
  2. Step 2: Convert to fraction form
    5,110.72/7,660.60 = 2,914.72/x
  3. Step 3: Cross multiply
    5,110.72x = 7,660.60 × 2,914.72
  4. Step 4: Simplify right side
    5,110.72x = 22,328,504.03
  5. Step 5: Solve for x
    x = 22,328,504.03/5,110.72
  6. Step 6: Final answer
    x = 4,368.95

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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.