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Finding the Fourth Proportional to 7,448.27, 10,278.01 and 4,091.07

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Solution

The fourth proportional to 7,448.27, 10,278.01 and 4,091.07 is: 5,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.27 : 10,278.01 = 4,091.07 : x
  2. Step 2: Convert to fraction form
    7,448.27/10,278.01 = 4,091.07/x
  3. Step 3: Cross multiply
    7,448.27x = 10,278.01 × 4,091.07
  4. Step 4: Simplify right side
    7,448.27x = 42,048,048.14
  5. Step 5: Solve for x
    x = 42,048,048.14/7,448.27
  6. Step 6: Final answer
    x = 5,645.34

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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.