Home / 7,409.14-11,114.73-3,025.57

Finding the Fourth Proportional to 7,409.14, 11,114.73 and 3,025.57

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Solution

The fourth proportional to 7,409.14, 11,114.73 and 3,025.57 is: 4,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.14 : 11,114.73 = 3,025.57 : x
  2. Step 2: Convert to fraction form
    7,409.14/11,114.73 = 3,025.57/x
  3. Step 3: Cross multiply
    7,409.14x = 11,114.73 × 3,025.57
  4. Step 4: Simplify right side
    7,409.14x = 33,628,436.89
  5. Step 5: Solve for x
    x = 33,628,436.89/7,409.14
  6. Step 6: Final answer
    x = 4,538.78

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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.