Home / 7,523.42-11,278.65-3,630.56

Finding the Fourth Proportional to 7,523.42, 11,278.65 and 3,630.56

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Solution

The fourth proportional to 7,523.42, 11,278.65 and 3,630.56 is: 5,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.42 : 11,278.65 = 3,630.56 : x
  2. Step 2: Convert to fraction form
    7,523.42/11,278.65 = 3,630.56/x
  3. Step 3: Cross multiply
    7,523.42x = 11,278.65 × 3,630.56
  4. Step 4: Simplify right side
    7,523.42x = 40,947,815.54
  5. Step 5: Solve for x
    x = 40,947,815.54/7,523.42
  6. Step 6: Final answer
    x = 5,442.71

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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.