Home / 6,913.76-9,540.96-3,769.92

Finding the Fourth Proportional to 6,913.76, 9,540.96 and 3,769.92

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Solution

The fourth proportional to 6,913.76, 9,540.96 and 3,769.92 is: 5,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.76 : 9,540.96 = 3,769.92 : x
  2. Step 2: Convert to fraction form
    6,913.76/9,540.96 = 3,769.92/x
  3. Step 3: Cross multiply
    6,913.76x = 9,540.96 × 3,769.92
  4. Step 4: Simplify right side
    6,913.76x = 35,968,655.92
  5. Step 5: Solve for x
    x = 35,968,655.92/6,913.76
  6. Step 6: Final answer
    x = 5,202.47

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1.5x scale

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.