Home / 4,154.56-5,736-3,208.68

Finding the Fourth Proportional to 4,154.56, 5,736 and 3,208.68

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Solution

The fourth proportional to 4,154.56, 5,736 and 3,208.68 is: 4,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.56 : 5,736 = 3,208.68 : x
  2. Step 2: Convert to fraction form
    4,154.56/5,736 = 3,208.68/x
  3. Step 3: Cross multiply
    4,154.56x = 5,736 × 3,208.68
  4. Step 4: Simplify right side
    4,154.56x = 18,404,988.48
  5. Step 5: Solve for x
    x = 18,404,988.48/4,154.56
  6. Step 6: Final answer
    x = 4,430.07

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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.