Home / 6,764.12-10,148.12-3,993.32

Finding the Fourth Proportional to 6,764.12, 10,148.12 and 3,993.32

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Solution

The fourth proportional to 6,764.12, 10,148.12 and 3,993.32 is: 5,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.12 : 10,148.12 = 3,993.32 : x
  2. Step 2: Convert to fraction form
    6,764.12/10,148.12 = 3,993.32/x
  3. Step 3: Cross multiply
    6,764.12x = 10,148.12 × 3,993.32
  4. Step 4: Simplify right side
    6,764.12x = 40,524,690.56
  5. Step 5: Solve for x
    x = 40,524,690.56/6,764.12
  6. Step 6: Final answer
    x = 5,991.13

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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.