Home / 7,214.82-10,802.68-3,744.78

Finding the Fourth Proportional to 7,214.82, 10,802.68 and 3,744.78

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Solution

The fourth proportional to 7,214.82, 10,802.68 and 3,744.78 is: 5,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.82 : 10,802.68 = 3,744.78 : x
  2. Step 2: Convert to fraction form
    7,214.82/10,802.68 = 3,744.78/x
  3. Step 3: Cross multiply
    7,214.82x = 10,802.68 × 3,744.78
  4. Step 4: Simplify right side
    7,214.82x = 40,453,691.97
  5. Step 5: Solve for x
    x = 40,453,691.97/7,214.82
  6. Step 6: Final answer
    x = 5,607.03

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1.5x scale

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.