Home / 7,168.11-10,754.75-3,219.06

Finding the Fourth Proportional to 7,168.11, 10,754.75 and 3,219.06

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Solution

The fourth proportional to 7,168.11, 10,754.75 and 3,219.06 is: 4,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.11 : 10,754.75 = 3,219.06 : x
  2. Step 2: Convert to fraction form
    7,168.11/10,754.75 = 3,219.06/x
  3. Step 3: Cross multiply
    7,168.11x = 10,754.75 × 3,219.06
  4. Step 4: Simplify right side
    7,168.11x = 34,620,169.44
  5. Step 5: Solve for x
    x = 34,620,169.44/7,168.11
  6. Step 6: Final answer
    x = 4,829.75

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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.