Home / 7,485.25-11,228.33-2,291.17

Finding the Fourth Proportional to 7,485.25, 11,228.33 and 2,291.17

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Solution

The fourth proportional to 7,485.25, 11,228.33 and 2,291.17 is: 3,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.25 : 11,228.33 = 2,291.17 : x
  2. Step 2: Convert to fraction form
    7,485.25/11,228.33 = 2,291.17/x
  3. Step 3: Cross multiply
    7,485.25x = 11,228.33 × 2,291.17
  4. Step 4: Simplify right side
    7,485.25x = 25,726,012.85
  5. Step 5: Solve for x
    x = 25,726,012.85/7,485.25
  6. Step 6: Final answer
    x = 3,436.89

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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.