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Finding the Fourth Proportional to 5,245.86, 7,869.86 and 1,736.13

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Solution

The fourth proportional to 5,245.86, 7,869.86 and 1,736.13 is: 2,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.86 : 7,869.86 = 1,736.13 : x
  2. Step 2: Convert to fraction form
    5,245.86/7,869.86 = 1,736.13/x
  3. Step 3: Cross multiply
    5,245.86x = 7,869.86 × 1,736.13
  4. Step 4: Simplify right side
    5,245.86x = 13,663,127.38
  5. Step 5: Solve for x
    x = 13,663,127.38/5,245.86
  6. Step 6: Final answer
    x = 2,604.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.