Home / 7,485.99-11,229.86-2,488.81

Finding the Fourth Proportional to 7,485.99, 11,229.86 and 2,488.81

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Solution

The fourth proportional to 7,485.99, 11,229.86 and 2,488.81 is: 3,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.99 : 11,229.86 = 2,488.81 : x
  2. Step 2: Convert to fraction form
    7,485.99/11,229.86 = 2,488.81/x
  3. Step 3: Cross multiply
    7,485.99x = 11,229.86 × 2,488.81
  4. Step 4: Simplify right side
    7,485.99x = 27,948,987.87
  5. Step 5: Solve for x
    x = 27,948,987.87/7,485.99
  6. Step 6: Final answer
    x = 3,733.51

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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.