Home / 5,313.67-7,972.14-2,718.43

Finding the Fourth Proportional to 5,313.67, 7,972.14 and 2,718.43

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Solution

The fourth proportional to 5,313.67, 7,972.14 and 2,718.43 is: 4,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.67 : 7,972.14 = 2,718.43 : x
  2. Step 2: Convert to fraction form
    5,313.67/7,972.14 = 2,718.43/x
  3. Step 3: Cross multiply
    5,313.67x = 7,972.14 × 2,718.43
  4. Step 4: Simplify right side
    5,313.67x = 21,671,704.54
  5. Step 5: Solve for x
    x = 21,671,704.54/5,313.67
  6. Step 6: Final answer
    x = 4,078.48

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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.