Home / 7,160.31-10,738.38-2,480.13

Finding the Fourth Proportional to 7,160.31, 10,738.38 and 2,480.13

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Solution

The fourth proportional to 7,160.31, 10,738.38 and 2,480.13 is: 3,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.31 : 10,738.38 = 2,480.13 : x
  2. Step 2: Convert to fraction form
    7,160.31/10,738.38 = 2,480.13/x
  3. Step 3: Cross multiply
    7,160.31x = 10,738.38 × 2,480.13
  4. Step 4: Simplify right side
    7,160.31x = 26,632,578.39
  5. Step 5: Solve for x
    x = 26,632,578.39/7,160.31
  6. Step 6: Final answer
    x = 3,719.47

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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.