Home / 4,579.52-6,336.40-3,991.28

Finding the Fourth Proportional to 4,579.52, 6,336.40 and 3,991.28

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Solution

The fourth proportional to 4,579.52, 6,336.40 and 3,991.28 is: 5,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.52 : 6,336.40 = 3,991.28 : x
  2. Step 2: Convert to fraction form
    4,579.52/6,336.40 = 3,991.28/x
  3. Step 3: Cross multiply
    4,579.52x = 6,336.40 × 3,991.28
  4. Step 4: Simplify right side
    4,579.52x = 25,290,346.59
  5. Step 5: Solve for x
    x = 25,290,346.59/4,579.52
  6. Step 6: Final answer
    x = 5,522.49

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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.