Home / 7,390.88-11,086.43-2,460.54

Finding the Fourth Proportional to 7,390.88, 11,086.43 and 2,460.54

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Solution

The fourth proportional to 7,390.88, 11,086.43 and 2,460.54 is: 3,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.88 : 11,086.43 = 2,460.54 : x
  2. Step 2: Convert to fraction form
    7,390.88/11,086.43 = 2,460.54/x
  3. Step 3: Cross multiply
    7,390.88x = 11,086.43 × 2,460.54
  4. Step 4: Simplify right side
    7,390.88x = 27,278,604.47
  5. Step 5: Solve for x
    x = 27,278,604.47/7,390.88
  6. Step 6: Final answer
    x = 3,690.85

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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.