Home / 7,581.27-11,364.73-2,647.71

Finding the Fourth Proportional to 7,581.27, 11,364.73 and 2,647.71

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Solution

The fourth proportional to 7,581.27, 11,364.73 and 2,647.71 is: 3,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.27 : 11,364.73 = 2,647.71 : x
  2. Step 2: Convert to fraction form
    7,581.27/11,364.73 = 2,647.71/x
  3. Step 3: Cross multiply
    7,581.27x = 11,364.73 × 2,647.71
  4. Step 4: Simplify right side
    7,581.27x = 30,090,542.06
  5. Step 5: Solve for x
    x = 30,090,542.06/7,581.27
  6. Step 6: Final answer
    x = 3,969.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.