Home / 7,170.85-10,757.83-2,172.82

Finding the Fourth Proportional to 7,170.85, 10,757.83 and 2,172.82

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Solution

The fourth proportional to 7,170.85, 10,757.83 and 2,172.82 is: 3,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.85 : 10,757.83 = 2,172.82 : x
  2. Step 2: Convert to fraction form
    7,170.85/10,757.83 = 2,172.82/x
  3. Step 3: Cross multiply
    7,170.85x = 10,757.83 × 2,172.82
  4. Step 4: Simplify right side
    7,170.85x = 23,374,844.34
  5. Step 5: Solve for x
    x = 23,374,844.34/7,170.85
  6. Step 6: Final answer
    x = 3,259.70

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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.