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Finding the Fourth Proportional to 7,243.68, 10,870.44 and 3,959.16

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Solution

The fourth proportional to 7,243.68, 10,870.44 and 3,959.16 is: 5,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.68 : 10,870.44 = 3,959.16 : x
  2. Step 2: Convert to fraction form
    7,243.68/10,870.44 = 3,959.16/x
  3. Step 3: Cross multiply
    7,243.68x = 10,870.44 × 3,959.16
  4. Step 4: Simplify right side
    7,243.68x = 43,037,811.23
  5. Step 5: Solve for x
    x = 43,037,811.23/7,243.68
  6. Step 6: Final answer
    x = 5,941.43

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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.