Home / 4,243.89-5,859.42-3,247.39

Finding the Fourth Proportional to 4,243.89, 5,859.42 and 3,247.39

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Solution

The fourth proportional to 4,243.89, 5,859.42 and 3,247.39 is: 4,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.89 : 5,859.42 = 3,247.39 : x
  2. Step 2: Convert to fraction form
    4,243.89/5,859.42 = 3,247.39/x
  3. Step 3: Cross multiply
    4,243.89x = 5,859.42 × 3,247.39
  4. Step 4: Simplify right side
    4,243.89x = 19,027,792.62
  5. Step 5: Solve for x
    x = 19,027,792.62/4,243.89
  6. Step 6: Final answer
    x = 4,483.57

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1.5x scale

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.