Home / 7,112.17-10,668.54-2,669.37

Finding the Fourth Proportional to 7,112.17, 10,668.54 and 2,669.37

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Solution

The fourth proportional to 7,112.17, 10,668.54 and 2,669.37 is: 4,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.17 : 10,668.54 = 2,669.37 : x
  2. Step 2: Convert to fraction form
    7,112.17/10,668.54 = 2,669.37/x
  3. Step 3: Cross multiply
    7,112.17x = 10,668.54 × 2,669.37
  4. Step 4: Simplify right side
    7,112.17x = 28,478,310.63
  5. Step 5: Solve for x
    x = 28,478,310.63/7,112.17
  6. Step 6: Final answer
    x = 4,004.17

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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.