Home / 7,409.14-11,108.48-3,708.72

Finding the Fourth Proportional to 7,409.14, 11,108.48 and 3,708.72

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Solution

The fourth proportional to 7,409.14, 11,108.48 and 3,708.72 is: 5,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.14 : 11,108.48 = 3,708.72 : x
  2. Step 2: Convert to fraction form
    7,409.14/11,108.48 = 3,708.72/x
  3. Step 3: Cross multiply
    7,409.14x = 11,108.48 × 3,708.72
  4. Step 4: Simplify right side
    7,409.14x = 41,198,241.95
  5. Step 5: Solve for x
    x = 41,198,241.95/7,409.14
  6. Step 6: Final answer
    x = 5,560.46

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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.