Home / 7,718.27-11,577.95-3,821.63

Finding the Fourth Proportional to 7,718.27, 11,577.95 and 3,821.63

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Solution

The fourth proportional to 7,718.27, 11,577.95 and 3,821.63 is: 5,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.27 : 11,577.95 = 3,821.63 : x
  2. Step 2: Convert to fraction form
    7,718.27/11,577.95 = 3,821.63/x
  3. Step 3: Cross multiply
    7,718.27x = 11,577.95 × 3,821.63
  4. Step 4: Simplify right side
    7,718.27x = 44,246,564.06
  5. Step 5: Solve for x
    x = 44,246,564.06/7,718.27
  6. Step 6: Final answer
    x = 5,732.71

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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.