Home / 6,742.68-10,100.12-3,960.96

Finding the Fourth Proportional to 6,742.68, 10,100.12 and 3,960.96

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Solution

The fourth proportional to 6,742.68, 10,100.12 and 3,960.96 is: 5,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.68 : 10,100.12 = 3,960.96 : x
  2. Step 2: Convert to fraction form
    6,742.68/10,100.12 = 3,960.96/x
  3. Step 3: Cross multiply
    6,742.68x = 10,100.12 × 3,960.96
  4. Step 4: Simplify right side
    6,742.68x = 40,006,171.32
  5. Step 5: Solve for x
    x = 40,006,171.32/6,742.68
  6. Step 6: Final answer
    x = 5,933.27

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1.5x scale

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.