Home / 7,409.26-11,114.28-2,215.54

Finding the Fourth Proportional to 7,409.26, 11,114.28 and 2,215.54

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Solution

The fourth proportional to 7,409.26, 11,114.28 and 2,215.54 is: 3,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.26 : 11,114.28 = 2,215.54 : x
  2. Step 2: Convert to fraction form
    7,409.26/11,114.28 = 2,215.54/x
  3. Step 3: Cross multiply
    7,409.26x = 11,114.28 × 2,215.54
  4. Step 4: Simplify right side
    7,409.26x = 24,624,131.91
  5. Step 5: Solve for x
    x = 24,624,131.91/7,409.26
  6. Step 6: Final answer
    x = 3,323.43

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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.