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Finding the Fourth Proportional to 7,195.70, 10,805.70 and 4,741.40

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Solution

The fourth proportional to 7,195.70, 10,805.70 and 4,741.40 is: 7,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.70 : 10,805.70 = 4,741.40 : x
  2. Step 2: Convert to fraction form
    7,195.70/10,805.70 = 4,741.40/x
  3. Step 3: Cross multiply
    7,195.70x = 10,805.70 × 4,741.40
  4. Step 4: Simplify right side
    7,195.70x = 51,234,145.98
  5. Step 5: Solve for x
    x = 51,234,145.98/7,195.70
  6. Step 6: Final answer
    x = 7,120.11

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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.