Home / 5,103.18-7,043.22-2,865.96

Finding the Fourth Proportional to 5,103.18, 7,043.22 and 2,865.96

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Solution

The fourth proportional to 5,103.18, 7,043.22 and 2,865.96 is: 3,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.18 : 7,043.22 = 2,865.96 : x
  2. Step 2: Convert to fraction form
    5,103.18/7,043.22 = 2,865.96/x
  3. Step 3: Cross multiply
    5,103.18x = 7,043.22 × 2,865.96
  4. Step 4: Simplify right side
    5,103.18x = 20,185,586.79
  5. Step 5: Solve for x
    x = 20,185,586.79/5,103.18
  6. Step 6: Final answer
    x = 3,955.49

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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.