Home / 7,452.35-11,178.87-5,270.82

Finding the Fourth Proportional to 7,452.35, 11,178.87 and 5,270.82

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Solution

The fourth proportional to 7,452.35, 11,178.87 and 5,270.82 is: 7,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.35 : 11,178.87 = 5,270.82 : x
  2. Step 2: Convert to fraction form
    7,452.35/11,178.87 = 5,270.82/x
  3. Step 3: Cross multiply
    7,452.35x = 11,178.87 × 5,270.82
  4. Step 4: Simplify right side
    7,452.35x = 58,921,770.85
  5. Step 5: Solve for x
    x = 58,921,770.85/7,452.35
  6. Step 6: Final answer
    x = 7,906.47

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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.