Home / 7,717.40-11,578.87-3,034.82

Finding the Fourth Proportional to 7,717.40, 11,578.87 and 3,034.82

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Solution

The fourth proportional to 7,717.40, 11,578.87 and 3,034.82 is: 4,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.40 : 11,578.87 = 3,034.82 : x
  2. Step 2: Convert to fraction form
    7,717.40/11,578.87 = 3,034.82/x
  3. Step 3: Cross multiply
    7,717.40x = 11,578.87 × 3,034.82
  4. Step 4: Simplify right side
    7,717.40x = 35,139,762.40
  5. Step 5: Solve for x
    x = 35,139,762.40/7,717.40
  6. Step 6: Final answer
    x = 4,553.32

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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.