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Finding the Fourth Proportional to 7,249.99, 10,875.78 and 2,318.47

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Solution

The fourth proportional to 7,249.99, 10,875.78 and 2,318.47 is: 3,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.99 : 10,875.78 = 2,318.47 : x
  2. Step 2: Convert to fraction form
    7,249.99/10,875.78 = 2,318.47/x
  3. Step 3: Cross multiply
    7,249.99x = 10,875.78 × 2,318.47
  4. Step 4: Simplify right side
    7,249.99x = 25,215,169.66
  5. Step 5: Solve for x
    x = 25,215,169.66/7,249.99
  6. Step 6: Final answer
    x = 3,477.96

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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.