Home / 7,230.14-10,845.14-3,721.12

Finding the Fourth Proportional to 7,230.14, 10,845.14 and 3,721.12

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Solution

The fourth proportional to 7,230.14, 10,845.14 and 3,721.12 is: 5,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.14 : 10,845.14 = 3,721.12 : x
  2. Step 2: Convert to fraction form
    7,230.14/10,845.14 = 3,721.12/x
  3. Step 3: Cross multiply
    7,230.14x = 10,845.14 × 3,721.12
  4. Step 4: Simplify right side
    7,230.14x = 40,356,067.36
  5. Step 5: Solve for x
    x = 40,356,067.36/7,230.14
  6. Step 6: Final answer
    x = 5,581.64

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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.