Home / 5,270.70-7,273.75-3,479.75

Finding the Fourth Proportional to 5,270.70, 7,273.75 and 3,479.75

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Solution

The fourth proportional to 5,270.70, 7,273.75 and 3,479.75 is: 4,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.70 : 7,273.75 = 3,479.75 : x
  2. Step 2: Convert to fraction form
    5,270.70/7,273.75 = 3,479.75/x
  3. Step 3: Cross multiply
    5,270.70x = 7,273.75 × 3,479.75
  4. Step 4: Simplify right side
    5,270.70x = 25,310,831.56
  5. Step 5: Solve for x
    x = 25,310,831.56/5,270.70
  6. Step 6: Final answer
    x = 4,802.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.