Home / 5,103.66-7,043.18-2,865.70

Finding the Fourth Proportional to 5,103.66, 7,043.18 and 2,865.70

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Solution

The fourth proportional to 5,103.66, 7,043.18 and 2,865.70 is: 3,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.66 : 7,043.18 = 2,865.70 : x
  2. Step 2: Convert to fraction form
    5,103.66/7,043.18 = 2,865.70/x
  3. Step 3: Cross multiply
    5,103.66x = 7,043.18 × 2,865.70
  4. Step 4: Simplify right side
    5,103.66x = 20,183,640.93
  5. Step 5: Solve for x
    x = 20,183,640.93/5,103.66
  6. Step 6: Final answer
    x = 3,954.74

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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.