Home / 7,149.96-10,725.44-2,218.94

Finding the Fourth Proportional to 7,149.96, 10,725.44 and 2,218.94

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Solution

The fourth proportional to 7,149.96, 10,725.44 and 2,218.94 is: 3,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.96 : 10,725.44 = 2,218.94 : x
  2. Step 2: Convert to fraction form
    7,149.96/10,725.44 = 2,218.94/x
  3. Step 3: Cross multiply
    7,149.96x = 10,725.44 × 2,218.94
  4. Step 4: Simplify right side
    7,149.96x = 23,799,107.83
  5. Step 5: Solve for x
    x = 23,799,107.83/7,149.96
  6. Step 6: Final answer
    x = 3,328.57

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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.