Home / 7,004.51-10,512.69-3,309.39

Finding the Fourth Proportional to 7,004.51, 10,512.69 and 3,309.39

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Solution

The fourth proportional to 7,004.51, 10,512.69 and 3,309.39 is: 4,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.51 : 10,512.69 = 3,309.39 : x
  2. Step 2: Convert to fraction form
    7,004.51/10,512.69 = 3,309.39/x
  3. Step 3: Cross multiply
    7,004.51x = 10,512.69 × 3,309.39
  4. Step 4: Simplify right side
    7,004.51x = 34,790,578.75
  5. Step 5: Solve for x
    x = 34,790,578.75/7,004.51
  6. Step 6: Final answer
    x = 4,966.88

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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.