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Finding the Fourth Proportional to 7,849.80, 10,832.40 and 4,313.10

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Solution

The fourth proportional to 7,849.80, 10,832.40 and 4,313.10 is: 5,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.80 : 10,832.40 = 4,313.10 : x
  2. Step 2: Convert to fraction form
    7,849.80/10,832.40 = 4,313.10/x
  3. Step 3: Cross multiply
    7,849.80x = 10,832.40 × 4,313.10
  4. Step 4: Simplify right side
    7,849.80x = 46,721,224.44
  5. Step 5: Solve for x
    x = 46,721,224.44/7,849.80
  6. Step 6: Final answer
    x = 5,951.90

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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.