Home / 7,425-11,130.63-3,723.30

Finding the Fourth Proportional to 7,425, 11,130.63 and 3,723.30

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Solution

The fourth proportional to 7,425, 11,130.63 and 3,723.30 is: 5,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425 : 11,130.63 = 3,723.30 : x
  2. Step 2: Convert to fraction form
    7,425/11,130.63 = 3,723.30/x
  3. Step 3: Cross multiply
    7,425x = 11,130.63 × 3,723.30
  4. Step 4: Simplify right side
    7,425x = 41,442,674.68
  5. Step 5: Solve for x
    x = 41,442,674.68/7,425
  6. Step 6: Final answer
    x = 5,581.51

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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.