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Finding the Fourth Proportional to 5,228.91, 7,792.11 and 5,086.35

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Solution

The fourth proportional to 5,228.91, 7,792.11 and 5,086.35 is: 7,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.91 : 7,792.11 = 5,086.35 : x
  2. Step 2: Convert to fraction form
    5,228.91/7,792.11 = 5,086.35/x
  3. Step 3: Cross multiply
    5,228.91x = 7,792.11 × 5,086.35
  4. Step 4: Simplify right side
    5,228.91x = 39,633,398.70
  5. Step 5: Solve for x
    x = 39,633,398.70/5,228.91
  6. Step 6: Final answer
    x = 7,579.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.