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Finding the Fourth Proportional to 8,020.42, 11,068.43 and 4,483.62

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Solution

The fourth proportional to 8,020.42, 11,068.43 and 4,483.62 is: 6,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.42 : 11,068.43 = 4,483.62 : x
  2. Step 2: Convert to fraction form
    8,020.42/11,068.43 = 4,483.62/x
  3. Step 3: Cross multiply
    8,020.42x = 11,068.43 × 4,483.62
  4. Step 4: Simplify right side
    8,020.42x = 49,626,611.70
  5. Step 5: Solve for x
    x = 49,626,611.70/8,020.42
  6. Step 6: Final answer
    x = 6,187.53

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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.