Home / 6,913.50-9,540.63-3,769.70

Finding the Fourth Proportional to 6,913.50, 9,540.63 and 3,769.70

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Solution

The fourth proportional to 6,913.50, 9,540.63 and 3,769.70 is: 5,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.50 : 9,540.63 = 3,769.70 : x
  2. Step 2: Convert to fraction form
    6,913.50/9,540.63 = 3,769.70/x
  3. Step 3: Cross multiply
    6,913.50x = 9,540.63 × 3,769.70
  4. Step 4: Simplify right side
    6,913.50x = 35,965,265.21
  5. Step 5: Solve for x
    x = 35,965,265.21/6,913.50
  6. Step 6: Final answer
    x = 5,202.18

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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.