Home / 7,678.17-11,514.69-4,716.54

Finding the Fourth Proportional to 7,678.17, 11,514.69 and 4,716.54

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Solution

The fourth proportional to 7,678.17, 11,514.69 and 4,716.54 is: 7,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.17 : 11,514.69 = 4,716.54 : x
  2. Step 2: Convert to fraction form
    7,678.17/11,514.69 = 4,716.54/x
  3. Step 3: Cross multiply
    7,678.17x = 11,514.69 × 4,716.54
  4. Step 4: Simplify right side
    7,678.17x = 54,309,495.97
  5. Step 5: Solve for x
    x = 54,309,495.97/7,678.17
  6. Step 6: Final answer
    x = 7,073.23

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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.