Home / 7,200.39-10,800.14-2,273.57

Finding the Fourth Proportional to 7,200.39, 10,800.14 and 2,273.57

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Solution

The fourth proportional to 7,200.39, 10,800.14 and 2,273.57 is: 3,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.39 : 10,800.14 = 2,273.57 : x
  2. Step 2: Convert to fraction form
    7,200.39/10,800.14 = 2,273.57/x
  3. Step 3: Cross multiply
    7,200.39x = 10,800.14 × 2,273.57
  4. Step 4: Simplify right side
    7,200.39x = 24,554,849.43
  5. Step 5: Solve for x
    x = 24,554,849.43/7,200.39
  6. Step 6: Final answer
    x = 3,410.21

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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.