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Finding the Fourth Proportional to 8,223.99, 11,355.03 and 7,425.74

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Solution

The fourth proportional to 8,223.99, 11,355.03 and 7,425.74 is: 10,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.99 : 11,355.03 = 7,425.74 : x
  2. Step 2: Convert to fraction form
    8,223.99/11,355.03 = 7,425.74/x
  3. Step 3: Cross multiply
    8,223.99x = 11,355.03 × 7,425.74
  4. Step 4: Simplify right side
    8,223.99x = 84,319,443.70
  5. Step 5: Solve for x
    x = 84,319,443.70/8,223.99
  6. Step 6: Final answer
    x = 10,252.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.